Table 3.
Association between certain variables and two-month sputum smear outcome
| Variable | Two-month sputum smear outcome (n=39,987) | P-value | |
|---|---|---|---|
| Converted | Not converted | ||
| Gender | |||
| Male (n=21,444) | 18,758 (87.5) | 2686 (12.5) | <0.001 |
| Female (n=18,543) | 16,816 (91.0) | 1727 (9.3) | |
| Age (years) | |||
| 08-17 (n=1890) | 1744 (92.3) | 146 (7.7) | <0.001 |
| 18-27 (n=9477) | 8513 (89.4) | 964 (10.6) | |
| 28-37 (n=13,133) | 11,758 (89.5) | 1375 (10.5) | |
| 38-47 (n=9658) | 8436 (88.3) | 1122 (11.7) | |
| 48-57 (n=4464) | 3881 (86.9) | 583 (13.1) | |
| 58≥ (n=1825) | 1602 (87.8) | 223 (12. 2) | |
| Pre-treatment sputum smear grading | |||
| Scanty (n=3860) | 3734 (96.7) | 126 (3.3) | <0.001 |
| AFB 1+ (n=8966) | 8497 (94.8) | 469 (5.2) | |
| AFB 2+ (n=5950) | 5435 (91.3) | 515 (8.7) | |
| AFB 3+ (n=13,687) | 11,153 (81.5) | 2534 (18.5) | |
| Not recorded (n=7524) | 6755 (89.8) | 769 (10.2) | |
| Delay from diagnosis to treatment onset (days) | |||
| 0-4 (n=11,949) | 10,653 (89.1) | 1296 (10.9) | <0.001 |
| 5-7 (n=11,010) | 9722 (88.3) | 1288 (11.7) | |
| 8-11 (n=7293) | 6421 (88.0) | 872 (12.0) | |
| ≥12 (n=9735) | 8778 (90.2) | 957 (9.8) | |
| HIV status | |||
| Positive (n=6176) | 5655 (91.6) | 521 (8.4) | <0.001 |
| Negative (n=2317) | 2039 (88.0) | 278 (12.0) | |
| Not recorded (n=31,494) | 27,880 (88.5) | 3614 (11.5) | |
| Disease classification | |||
| Both PTB and EPTB | 934 (92.9) | 71 (7.1) | <0.001 |
| PTB only | 34,640 (88.9) | 4342 (11.1) | |
AFB, acid fast bacilli; PTB, pulmonary tuberculosis; EPTB, extra-pulmonary tuberculosis.