Table 3 Association among patients with isolated post-treatment MGIT positive results between primary outcome and paired information smear results, LJ culture result, TB symptoms, days to positivity on MGIT and pattern of MGIT culture results. Data restricted to culture results at or after week 33
Per protocol primary outcome | |||||
|---|---|---|---|---|---|
Paired information N (%) | Favourable | Unfavourable | Total | χ2 test for independence | |
Paired smear result from same visit | Negative | 148 (58%) | 105 (42%) | 253 | |
Positive | 11 (3%) | 309 (97%) | 320 | p < 0.0001 | |
Paired LJ result from same visit | Negative | 132 (69%) | 60 (31%) | 192 | |
Positive | 19 (5%) | 336 (95%) | 355 | p < 0.0001 | |
Highest grade of TB symptomb reported within 7 days of patient visit | Absent or < Grade 1 | 131 (42%) | 181 (58%) | 312 | |
Grade 1 (mild) | 20 (15%) | 116 (85%) | 136 | ||
Grades 2–4 | 8 (7%) | 106 (93%) | 114 | p < 0.0001 | |
Days to positivity on MGIT | <5 | 6 (5%) | 127 (95%) | 133 | |
5 to < 15 | 47 (19%) | 202 (81%) | 249 | ||
15 to < 42 | 94 (57%) | 72 (43%) | 166 | p < 0.0001 | |
Pattern of MGIT results at visita | Mixed | 86 (73%) | 32 (27%) | 118 | |
1 positive | 53 (30%) | 122 (70%) | 175 | ||
≥2 positives | 20 (7%) | 260 (93%) | 280 | p < 0.0001 | |