TABLE 1.
Study population characteristicsa
| Variable | No. (%) |
|---|---|
| Collection center | |
| Callao Reference Laboratory | 140 (76.9) |
| Hospital Cayetano Heredia | 11 (6.0) |
| Hospital Dos de Mayo | 31 (17.0) |
| Age (yr) | |
| <30 | 54 (29.7) |
| 30–60 | 66 (36.3) |
| >60 | 62 (34.1) |
| Sex | |
| Female | 52 (28.6) |
| Male | 108 (59.3) |
| Data not available | 22 (12.1) |
| TB treatment | |
| Previous or ongoing treatment | 83 (45.6) |
| Never treated | 19 (10.4) |
| Data not available | 80 (43.9) |
| Sputum acid-fast microscopy resultb | |
| Negative | 11 (6.0) |
| Paucibacillary | 10 (5.5) |
| 1+ | 38 (20.9) |
| 2+ | 58 (31.9) |
| 3+ | 65 (35.7) |
a
All samples were selected according to the following criteria: a minimum sample volume of 2 ml and a positive sputum acid-fast smear microscopy result (health center results).
b
Paucibacillary, 1 to 9 bacilli in 100 fields; 1+, 10 to 99 bacilli in 100 fields; 2+, 1 to 10 bacilli per field in 50 fields; 3+, 10 bacilli per field in 20 fields.