Table 1.
Characteristics of healthy controls and TB patients.
Patients from Shaoxing Sixth Hospital (N = 133) | Patients from Hangzhou Red Cross Hospital (N = 141) | Control Group (N= 266) |
P | |
---|---|---|---|---|
Age, years range (mean ± SD) | 18-70 (41.5 ± 15.8) | 18-67 (37.4 ± 17.4) | 20-62 (36.3 ± 10.9) | 0.573a |
Gender: female, no. (%) | 51 (38.3) | 62 (44.0) | 108 (40.6) | 0.922b |
Body mass index (mean ± SD) | 21.5 ± 3.0 | 20.7 ± 3.3 | 23.0 ± 3.9 | 0.103a |
Tuberculin skin test (>10 mm), no. (%) | 102 (76.69) | 127 (90.07) | ND | / |
Positive sputum smear, no. (%) | 81 (60.9) | 83 (58.9) | ND | / |
Presence of TB history of relatives, no. (%) | 13 (9.8) | 13 (9.2) | 19 (7.1) | 0.364b |
BCG vaccination, no. (%) | 56 (42.1) | 70 (49.6) | 151 (56.8) | 0.155b |
TB: tuberculosis; N: number of subjects; ND: not determined. aP value between total patients and controls, for t test. bP value between total patients and controls, for χ2 test.