Table 2.
BCG group | Placebo group | Risk ratio (95% CI) | p value | |
---|---|---|---|---|
Primary outcome | ||||
QFT conversion (positivity threshold ≥0·35 IU/mL) | 34/996 (3·4%) | 32/989 (3·2%) | 1·09 (0·67–1·77) | 0·791 |
Secondary outcome | ||||
Sustained conversion (positivity threshold ≥0·35 IU/mL) | 15/996 (1·5%) | 19/989 (1·9%) | 0·80 (0·41–1·57) | 0·510 |
Exploratory outcomes | ||||
QFT conversion (positivity threshold ≥0·70 IU/mL) | 15/996 (1·5%) | 13/989 (1·3%) | 1·15 (0·55–2·45) | 0·713 |
QFT conversion (positivity threshold ≥2·00 IU/mL) | 6/996 (0·6%) | 5/989 (0·5%) | 1·18 (0·36–3·85) | 0·788 |
QFT conversion (positivity threshold ≥4·00 IU/mL) | 2/996 (0·2%) | 3/989 (0·3%) | 0·64 (0·11–3·84) | 0·633 |
QFT conversion (baseline QFT <0·20 IU/mL and positivity threshold ≥0·35 IU/mL) | 22/957 (2·3%) | 23/950 (2·4%) | 0·96 (0·53–1·74) | 0·903 |
Data are n/N (%), unless otherwise specified. QFT=QuantiFERON-TB Gold.
All analyses were done in the intention-to-treat population.