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首页> 外文期刊>Thoracic cancer. >Prevalence of low body mass index among newly diagnosed lung cancer patients in North India and its association with smoking status
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Prevalence of low body mass index among newly diagnosed lung cancer patients in North India and its association with smoking status

机译：印度北部新诊断肺癌患者的低体重指数患病率及其与吸烟状况的关系

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摘要

There is limited data from South Asia on the prevalence of low body mass index (BMI) among newly diagnosed lung cancer patients at presentation and its association with smoking status. A retrospective analysis of a prospective cohort of newly diagnosed lung cancer patients is presented here. Patients were categorized as normal/overweight (BMI ≥ 18.50 kg/m2; group I), mild/moderately underweight (BMI = 16.00–18.49 kg/m2; group II) or severely underweight (BMI 16.0 kg/m2; group III). Smoking status was assessed using the smoking index (SI; product of number of bidis/cigarettes smoked per day with number of years smoked). Based on the SI, patients were categorized as never-smokers, light/moderate smokers [SI = 1–300] and heavy smokers [SI ≥ 301]. A low BMI was present in 155 (44.3%) patients. Compared to group I, patients in groups II and III had higher percentages of men and current/ex-smokers. On univariate logistic regression analysis (LRA), SI = 1–300 [odds ratio (OR) = 2.75; 95% confidence intervals (CI) = 1.27–5.97] and SI ≥ 301 [OR = 4.57; 95% CI = 2.20–9.49] were associated with higher odds of the presence of low BMI among non-small cell lung cancer (NSCLC) patients while female sex had lower odds [OR = 0.34; 95% CI = 0.16–0.72]. On multivariate LRA, only SI ≥ 301 [OR = 3.74; 95% CI = 1.59–8.80] had a significant association with occurrence of low BMI. Low BMI is common among newly diagnosed lung cancer patients in North India. Heavy smoking is independently associated with presence of low BMI at presentation among NSCLC patients.
机译：来自南亚的关于在报告时新诊断的肺癌患者中低体重指数（BMI）的患病率及其与吸烟状况的关系的数据有限。本文介绍了对新诊断肺癌患者的前瞻性队列研究。患者分为正常/超重（BMI≥18.50 kg / m 2 ;第一组），轻度/中度体重过轻（BMI = 16.00-18.49 kg / m 2 ;组） II）或体重严重不足（BMI <16.0 kg / m 2 ; III组）。使用吸烟指数（SI;每天吸烟的比迪烟/香烟数量与吸烟年数的乘积）评估吸烟状况。根据SI，将患者分为不吸烟者，轻度/中度吸烟者[SI = 1–300]和重度吸烟者[SI≥301]。 155（44.3％）患者的BMI较低。与第一组相比，第二和第三组的患者中男性和现时/前吸烟者的比例更高。在单变量logistic回归分析（LRA）上，SI = 1–300 [奇数比（OR）= 2.75; 95％置信区间（CI）= 1.27-5.97]，SI≥301 [OR = 4.57;非小细胞肺癌（NSCLC）患者中95％CI = 2.20–9.49]与低BMI存在的较高机率相关，而女性的较低机率[OR = 0.34; 95％CI = 0.16-0.72]。在多元LRA上，只有SI≥301 [OR = 3.74; 95％CI = 1.59–8.80]与低BMI发生显着相关。低BMI在印度北部新诊断的肺癌患者中很常见。在NSCLC患者中，大量吸烟与低BMI的存在独立相关。

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