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Table 1 Characteristics of pulmonary tuberculosis patients and healthy controls

From: Serum complement C4b, fibronectin, and prolidase are associated with the pathological changes of pulmonary tuberculosis

  PTB patients (N = 115) Controls (N = 39) P
Age, years range (mean ± SD) 18−70 (41.6 ± 17.2) 23−58 (39.9 ± 9.9) 0.582a
Gender: female, no. (%) 36 (31.3) 15 (38.5) 0.711b
Body mass index (mean ± SD) 21.3 ± 3.2 23.2 ± 4.3 0.213a
Tuberculin skin test (>10 mm), no. (%) 66 (57.4) ND /
Positive sputum smears, no. (%) 63 (54.8) ND /
Presence of TB history of relatives, no. (%) 11 (9.6) 3 (7.7) 0.747b
BCG vaccination, no. (%) 48 (41.7) 21 (53.8) 0.426b
  1. A P-value of less than 0.05 indicates statistical significance. PTB: pulmonary tuberculosis; N: number of subjects; ND: not determined. a P value between PTB patients and controls, for t test. b P value between PTB patients and controls, for χ2 test.