TABLE 2.
Sputum volume and mycobacterial load measurements
| Vol (ml) | No. (%) of samples ata: |
Log CFU/ml sputum |
Log TTP (h)b |
TTP (h) |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total | Day 0 | Day 6 | Day 14 | Mean | SD | CV | Mean | SD | CV | Median | IQRc | |
| <6 | 655 (12.2) | 75 (8.6) | 56 (13.0) | 66 (15.7) | 4.7 | 1.7 | 0.359 | 2.2 | 0.2 | 0.094 | 166 | 127–232 |
| 6–10 | 2,325 (43.3) | 363 (41.8) | 196 (45.5) | 190 (45.1) | 5.1 | 1.5 | 0.301 | 2.2 | 0.2 | 0.089 | 140 | 105–197 |
| >10 | 2,392 (44.5) | 431 (49.6) | 179 (41.5) | 165 (39.2) | 5.4 | 1.4 | 0.253 | 2.1 | 0.2 | 0.077 | 123 | 100–161 |
| Total | 5,372 (100) | 869 (100) | 431 (100) | 421 (100) | 5.0 | 1.5 | 0.301 | 2.2 | 0.2 | 0.080 | 134 | 104–186 |
a
Days 0 (baseline), 6, and 14 are given as examples.
b
TTP, time to culture positivity; CV, coefficient of variation.
c
IQR, interquartile range.