<p><sup>a</sup>Two-sided <i>χ</i><sup><i>2</i></sup> test</p><p>Distribution of select characteristics among patients and controls.</p
<p>OR:Odds ratio, CI:confidence interval, ref: reference</p><p>a: Mann-Whitney Test</p><p>Distributi...
Distribution of the study participants by their demographic and clinical characteristics.</p
a<p>Student's t-test for age distribution between the cases and controls; two-sided χ<sup>2</sup> te...
<p>*T-test for age and BMI distributions between the cases and controls; two-sided χ<sup>2</sup> tes...
<p>*T-test for age distributions between the cases and controls; two-sided χ<sup>2</sup> test for ot...
a<p>Two-sided t-test for difference between the cases and controls.</p>b<p>Two-sided χ<sup>2</sup> t...
a<p><i>P</i> value of the comparison with a two-sided χ<sup>2</sup> test.</p>*<p>Indicates statistic...
a<p><i>P</i><0.05 for T test or two-side X<sup>2</sup> test for selected characteristics distributio...
<p>*Student's t-test for age and BMI distributions between cases and controls; two-sided χ2 test for...
a<p>Independent-samples T-test for comparing the mean of the age, BMI and Pack-years of smoking betw...
*<p>Student's t-test for age and BMI distributions between cases and controls; two-sided χ2-test for...
a<p>Two-sided χ<sup>2</sup> test for selected variables between the cases and controls.</p
<p>Abbreviation: ESCC, esophageal squamous cell carcinoma.</p>1<p>Two-sided χ<sup>2</sup> test.</p>2...
a<p>Student's t-test for age and BMI distributions between cases and controls; two-sided χ<sup>2</su...
a<p>Student's t-test for age and BMI distributions between cases and controls; two-sided χ2-test for...
<p>OR:Odds ratio, CI:confidence interval, ref: reference</p><p>a: Mann-Whitney Test</p><p>Distributi...
Distribution of the study participants by their demographic and clinical characteristics.</p
a<p>Student's t-test for age distribution between the cases and controls; two-sided χ<sup>2</sup> te...
<p>*T-test for age and BMI distributions between the cases and controls; two-sided χ<sup>2</sup> tes...
<p>*T-test for age distributions between the cases and controls; two-sided χ<sup>2</sup> test for ot...
a<p>Two-sided t-test for difference between the cases and controls.</p>b<p>Two-sided χ<sup>2</sup> t...
a<p><i>P</i> value of the comparison with a two-sided χ<sup>2</sup> test.</p>*<p>Indicates statistic...
a<p><i>P</i><0.05 for T test or two-side X<sup>2</sup> test for selected characteristics distributio...
<p>*Student's t-test for age and BMI distributions between cases and controls; two-sided χ2 test for...
a<p>Independent-samples T-test for comparing the mean of the age, BMI and Pack-years of smoking betw...
*<p>Student's t-test for age and BMI distributions between cases and controls; two-sided χ2-test for...
a<p>Two-sided χ<sup>2</sup> test for selected variables between the cases and controls.</p
<p>Abbreviation: ESCC, esophageal squamous cell carcinoma.</p>1<p>Two-sided χ<sup>2</sup> test.</p>2...
a<p>Student's t-test for age and BMI distributions between cases and controls; two-sided χ<sup>2</su...
a<p>Student's t-test for age and BMI distributions between cases and controls; two-sided χ2-test for...
<p>OR:Odds ratio, CI:confidence interval, ref: reference</p><p>a: Mann-Whitney Test</p><p>Distributi...
Distribution of the study participants by their demographic and clinical characteristics.</p
a<p>Student's t-test for age distribution between the cases and controls; two-sided χ<sup>2</sup> te...
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