Patients with culture-negative sputum

(n = 17)

Patients with culture-positive sputum

(n = 25)

Total (n = 42)

P-value

Smear-positive bronchial washing

2 (11.8%)

3 (12%)

5 (11.9%)

0.68

Culture-positive bronchial washing

17 (100%)

19 (76%)

36 (85.7%)

0.03