Effect of cytokine gene dose on severity of pulmonary tuberculosis.

Note: Abbreviations for groups are as described in table 1. Group N is given in brackets.Groups were compared with TBNA. Pearson χ2 or Fisher exact test was performed to determine group differences. Linear by linear corrected p values are shown.备注：分组缩写详见表1。各组样本量（N）标注于括号内。各组与经支气管针吸活检（Transbronchial Needle Aspiration, TBNA）组进行比较。采用Pearson卡方检验或Fisher精确检验分析组间差异，已展示线性趋势校正后的P值。