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Table 1 Baseline information on the study groups

From: Association between cytokine gene polymorphisms and tuberculosis in a Chinese population in Shanghai: a case–control study

  HC (n = 480) LTBI (n = 240) PTB (n = 120) χ 2 /F p value
Age (mean ± SD) 41.0 ± 19.9 43.0 ± 18.1 46.0 ± 12.2 0.141 0.234
Sex (male) N(%) 294(61.2) 147(61.2) 74(61.7) 0.008 0.996
BCG scar N(%) 451(94.0) 225(93.8) 105(87.5) 6.440 0.040*
  1. Notes: SD, standard deviation; HC, healthy controls; LTBI, subjects with latent tuberculosis infection; PTB, patients with pulmonary tuberculosis; BCG, Bacillus Calmette–Guérin vaccine.
  2. *p<0.05.