Table 2. Subgroup analyses by populations between ICS and mycobacterium.
| Population | NO. of study | RR (95% CI) | P1 | P2 |
|---|---|---|---|---|
| Overall | 5 | 1.81 (1.23-2.68) | 0.003 | <0.00001 |
| Subgroup by population | ||||
| TB | 4 | 1.34 (1.15-1.55) | 0.0001 | 0.001 |
| Prior TB | 2 | 1.61 (1.35-1.92) | <0.00001 | 0.97 |
| High doses | 3 | 1.60 (1.28-1.99) | <0.0001 | 0.04 |
| COPD | 4 | 1.42 (1.18-1.72) | 0.0003 | 0.004 |
| OCS | 2 | 1.12 (0.80-1.56) | 0.53 | 0.002 |
NO, number; RR, risk ratio; CI, confidential interval; P1, P value of pooled effect; P2, P value of heterogeneity test; TB, tuberculosis; COPD, chronic obstructive pulmonary disease; OCS, oral corticosteroids; ICS, inhaled corticosteroids.