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Clinical characteristics of smear-negative PTB patients (n = 858).
| Clinical characteristics | n(%) |
|---|---|
| Male | 584(68.1) |
| Age(>60years) | 196(22.8) |
| BMI(<18.5) | 174(20.3) |
| Contact of TB | 51(5.9) |
| Vaccination of BCG | 416(48.5) |
| Retreated | 143(16.7) |
| Course of TB(<1 month) | 236(27.5) |
| Diabetes | 64(7.5) |
| Smoking | 246(28.7) |
| Decreased Albumin | 145(16.9) |
BMI (Body Mass Index) is the weight in kilograms divided by the square of the height in meters.
Decreased Albumin: Albumin <30 g/L.
