Comparison 2. Methylxanthine derivative agents versus inactive control .
Outcome or subgroup title | No. of studies | No. of participants | Statistical method | Effect size |
---|---|---|---|---|
2.1 Central apnoea‐hypopnoea index (short‐term) | 1 | Mean Difference (IV, Fixed, 95% CI) | Totals not selected | |
2.2 Apnoea‐hypopnoea index (short‐term) | 1 | Mean Difference (IV, Fixed, 95% CI) | Totals not selected |