Table 1.

Patients with sputum specimens not available or negative on culture

Duration of treatment (days)	Patients (n = 122)
	Not available		Culture negative
	No.	%	No.	%
0	2	1.6	0	0
2	33	27.0	0	0
7	44	36.1	2	2
14	45	36.9	8	7
28	54	44.3	20	16