{"id":169,"date":"2025-11-02T00:21:26","date_gmt":"2025-11-02T00:21:26","guid":{"rendered":"https:\/\/medsys.uk\/?p=169"},"modified":"2025-11-02T00:21:26","modified_gmt":"2025-11-02T00:21:26","slug":"smoking-risk-calculator","status":"publish","type":"post","link":"https:\/\/medsys.uk\/index.php\/2025\/11\/02\/smoking-risk-calculator\/","title":{"rendered":"Smoking Risk Calculator"},"content":{"rendered":"\n<div class=\"container\">\n    <h1>Illustrative Smoking-Associated Cardiovascular Risk Tool<\/h1>\n\n    <div class=\"slider-container\">\n        <label for=\"cigarettesSlider\">Cigarettes Smoked Per Day:<\/label>\n        <input type=\"range\" id=\"cigarettesSlider\" name=\"cigarettes\" min=\"0\" max=\"40\" value=\"10\">\n        <p>Current Value: <span id=\"cigarettesValueSpan\" class=\"value-display\">10<\/span><\/p>\n    <\/div>\n\n    <div class=\"slider-container\">\n        <label for=\"yearsSlider\">Years of Smoking:<\/label>\n        <input type=\"range\" id=\"yearsSlider\" name=\"years\" min=\"0\" max=\"50\" value=\"20\">\n        <p>Current Value: <span id=\"yearsValueSpan\" class=\"value-display\">20<\/span><\/p>\n    <\/div>\n\n    <div id=\"risk-output\" class=\"output-section risk-moderate\"> <p>Illustrative Relative CVD Risk Increase (vs. Non-Smoker):<\/p>\n        <span id=\"riskIndicatorSpan\">Moderate<\/span> <\/div>\n\n    <div class=\"disclaimer\">\n        <p><\/br><br><strong>Disclaimer:<\/strong> This tool provides a <strong>simplified, illustrative estimate<\/strong> of the <strong>relative increase<\/strong> in cardiovascular disease (CVD) risk associated with smoking, compared to a non-smoker. The calculation is based on <strong>general population trends<\/strong> and reflects the non-linear impact of cigarette quantity (steeper risk increase at lower numbers) and the cumulative effect of smoking duration, as suggested by general research findings.[1, 2, 3]<\/p>\n        <p><strong>This tool DOES NOT provide a medical diagnosis, absolute risk prediction, or personalized health advice.<\/strong><\/p>\n        <p>CVD risk is <strong>multifactorial<\/strong> and depends on many factors <strong>not included<\/strong> in this tool, such as: genetics, age, sex, ethnicity, blood pressure, cholesterol levels (LDL, HDL, non-HDL, Lp(a)), triglycerides, diabetes status, body mass index (BMI), diet, physical activity, alcohol consumption, kidney function, family history, socioeconomic status, and other medical conditions (e.g., rheumatoid arthritis, severe mental illness).<\/p>\n        <p>The risk calculation <strong>does not replicate complex epidemiological models<\/strong> like QRISK3 or Framingham Risk Score.[4, 5, 6, 7, 8, 9]<\/p>\n        <p><strong>Consult a healthcare professional<\/strong> for a comprehensive assessment of your individual CVD risk and personalized medical advice.<\/p>\n    <\/div>\n<\/div>\n\n<script>\n    \/\/ Get references to DOM elements\n    const cigarettesSlider = document.getElementById('cigarettesSlider');\n    const yearsSlider = document.getElementById('yearsSlider');\n    const cigarettesValueSpan = document.getElementById('cigarettesValueSpan');\n    const yearsValueSpan = document.getElementById('yearsValueSpan');\n    const riskIndicatorSpan = document.getElementById('riskIndicatorSpan');\n    const riskOutputDiv = document.getElementById('risk-output'); \/\/ For dynamic styling\n\n    \/**\n     * Calculates a *simplified, illustrative* relative risk indicator based on smoking intensity and duration.\n     * This function is NOT medically validated and only aims to reflect general trends:\n     * 1. Non-linear risk increase with cigarette intensity (steeper at lower numbers).[1]\n     * 2. Cumulative risk increase with duration of smoking.[2, 3]\n     * It ignores all other multifactorial CVD risk factors.\n     *\n     * @param {number} cigarettes - Number of cigarettes smoked per day (0-40).\n     * @param {number} years - Number of years smoking (0-50).\n     * @returns {string} - A qualitative risk category (\"Baseline (Non-Smoker)\", \"Low\", \"Moderate\", \"High\", \"Very High\").\n     *\/\n    function calculateRelativeRisk(cigarettes, years) {\n        \/\/ Handle non-smoker case explicitly\n        if (cigarettes === 0) {\n            return \"Baseline (Non-Smoker)\";\n        }\n\n        \/\/ Simplified Illustrative Intensity Factor (Non-Linear)\n        \/\/ Uses log10 to model steeper increase at lower cigarette counts.\n        \/\/ Factor starts at 1 for 0 cigarettes (via cigarettes + 1) and increases.\n        \/\/ Scaling factor (1.0) adjusts the steepness.\n        const intensityFactor = 1 + 1.0 * Math.log10(cigarettes + 1); \/\/ Max ~2.6 for 40 cigs\n\n        \/\/ Simplified Illustrative Duration Factor (Cumulative)\n        \/\/ Linear increase with years.\n        \/\/ Scaling factor (2.0) adjusts the maximum impact of duration.\n        \/\/ Factor starts at 1 for 0 years and increases.\n        const durationFactor = 1 + (years \/ 50) * 2.0; \/\/ Max 3.0 for 50 years\n\n        \/\/ Combine factors multiplicatively\n        const combinedRisk = intensityFactor * durationFactor; \/\/ Max ~7.8\n\n        \/\/ Map combinedRisk to qualitative categories\n        \/\/ Thresholds adjusted based on potential range (1 to ~7.8)\n        if (combinedRisk <= 2.0) {\n            return \"Low\";\n        } else if (combinedRisk <= 3.5) {\n            return \"Moderate\";\n        } else if (combinedRisk <= 5.5) {\n            return \"High\";\n        } else {\n            return \"Very High\";\n        }\n    }\n\n    \/**\n     * Updates the displayed values and the illustrative risk indicator based on slider inputs.\n     * Also updates the styling of the output area based on the risk category.\n     *\/\n    function updateDisplay() {\n        const currentCigarettes = parseInt(cigarettesSlider.value);\n        const currentYears = parseInt(yearsSlider.value);\n\n        \/\/ Update the displayed numerical values\n        cigarettesValueSpan.textContent = currentCigarettes;\n        yearsValueSpan.textContent = currentYears;\n\n        \/\/ Calculate the illustrative risk category\n        const riskCategory = calculateRelativeRisk(currentCigarettes, currentYears);\n\n        \/\/ Update the risk indicator text\n        riskIndicatorSpan.textContent = riskCategory;\n\n        \/\/ Update the CSS class for visual feedback (color coding)\n        let riskClass = 'risk-baseline'; \/\/ Default class\n        if (riskCategory === \"Low\") {\n            riskClass = 'risk-low';\n        } else if (riskCategory === \"Moderate\") {\n            riskClass = 'risk-moderate';\n        } else if (riskCategory === \"High\") {\n            riskClass = 'risk-high';\n        } else if (riskCategory === \"Very High\") {\n            riskClass = 'risk-very-high';\n        }\n        \/\/ Apply the class to the output div\n        riskOutputDiv.className = 'output-section ' + riskClass;\n    }\n\n    \/\/ Add event listeners to sliders - 'input' for real-time updates\n    cigarettesSlider.addEventListener('input', updateDisplay);\n    yearsSlider.addEventListener('input', updateDisplay);\n\n    \/\/ Initial call to set the display based on default slider values\n    updateDisplay();\n\n<\/script>\n\n\n\n\n<h4 class=\"wp-block-heading\"><strong>Works cited<\/strong><\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li>Low cigarette consumption and risk of coronary heart disease and ..., accessed April 10, 2025, <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC5781309\/\">https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC5781309\/<\/a><\/li>\n\n\n\n<li>natap.org, accessed April 10, 2025, <a href=\"https:\/\/natap.org\/2019\/HIV\/jama_duncan_2019_oi_190077-2.pdf\">https:\/\/natap.org\/2019\/HIV\/jama_duncan_2019_oi_190077-2.pdf<\/a><\/li>\n\n\n\n<li>Cardiovascular Effects of Smoking and Smoking Cessation: A 2024 ..., accessed April 10, 2025, <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11843939\/\">https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC11843939\/<\/a><\/li>\n\n\n\n<li>Assessment of QRISK3 as a predictor of cardiovascular disease events in type 2 diabetes mellitus, accessed April 10, 2025, <a href=\"https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9742415\/\">https:\/\/pmc.ncbi.nlm.nih.gov\/articles\/PMC9742415\/<\/a><\/li>\n\n\n\n<li>Cardiovascular Disease (10-year risk) - Framingham Heart Study, accessed April 10, 2025, <a href=\"https:\/\/www.framinghamheartstudy.org\/fhs-risk-functions\/cardiovascular-disease-10-year-risk\/\">https:\/\/www.framinghamheartstudy.org\/fhs-risk-functions\/cardiovascular-disease-10-year-risk\/<\/a><\/li>\n\n\n\n<li>Assessment of QRISK3 as a predictor of cardiovascular disease events in type 2 diabetes mellitus - Frontiers, accessed April 9, 2025, <a href=\"https:\/\/www.frontiersin.org\/journals\/endocrinology\/articles\/10.3389\/fendo.2022.1077632\/full\">https:\/\/www.frontiersin.org\/journals\/endocrinology\/articles\/10.3389\/fendo.2022.1077632\/full<\/a><\/li>\n\n\n\n<li>Framingham Risk Calculator, accessed April 10, 2025, <a href=\"https:\/\/www.omnicalculator.com\/health\/framingham-risk\">https:\/\/www.omnicalculator.com\/health\/framingham-risk<\/a><\/li>\n\n\n\n<li>Development and validation of QRISK3 risk prediction algorithms to estimate future risk of cardiovascular disease: prospective cohort study | The BMJ, accessed April 10, 2025, <a href=\"https:\/\/www.bmj.com\/content\/357\/bmj.j2099\">https:\/\/www.bmj.com\/content\/357\/bmj.j2099<\/a><\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Framingham Risk Score (2008) - Medscape, accessed April 10, 2025, <a href=\"https:\/\/reference.medscape.com\/calculator\/252\/framingham-risk-score-2008\">https:\/\/reference.medscape.com\/calculator\/252\/framingham-risk-score-2008<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Illustrative Smoking-Associated Cardiovascular Risk Tool Cigarettes Smoked Per Day: Current Value: 10 Years of Smoking: Current Value: 20&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-169","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"taxonomy_info":{"category":[{"value":1,"label":"Uncategorized"}]},"featured_image_src_large":false,"author_info":{"display_name":"admin","author_link":"https:\/\/medsys.uk\/index.php\/author\/admin_r4mqbqsz\/"},"comment_info":0,"category_info":[{"term_id":1,"name":"Uncategorized","slug":"uncategorized","term_group":0,"term_taxonomy_id":1,"taxonomy":"category","description":"","parent":0,"count":7,"filter":"raw","cat_ID":1,"category_count":7,"category_description":"","cat_name":"Uncategorized","category_nicename":"uncategorized","category_parent":0}],"tag_info":false,"_links":{"self":[{"href":"https:\/\/medsys.uk\/index.php\/wp-json\/wp\/v2\/posts\/169","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/medsys.uk\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/medsys.uk\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/medsys.uk\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/medsys.uk\/index.php\/wp-json\/wp\/v2\/comments?post=169"}],"version-history":[{"count":2,"href":"https:\/\/medsys.uk\/index.php\/wp-json\/wp\/v2\/posts\/169\/revisions"}],"predecessor-version":[{"id":171,"href":"https:\/\/medsys.uk\/index.php\/wp-json\/wp\/v2\/posts\/169\/revisions\/171"}],"wp:attachment":[{"href":"https:\/\/medsys.uk\/index.php\/wp-json\/wp\/v2\/media?parent=169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/medsys.uk\/index.php\/wp-json\/wp\/v2\/categories?post=169"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/medsys.uk\/index.php\/wp-json\/wp\/v2\/tags?post=169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}