Summary mean result for each outcome
| Outcome measure | Weighted mean difference | 95% confidence interval | Number of studies contributing to outcome (study reference) |
|---|---|---|---|
| The study reference is the reference number. | |||
| PEFR, peak expiratory flow rate; FEV1, forced expiratory volume in one second; FVC, forced vital capacity; HRmax, maximum heart rate. Vemax, maximum expiratory flow. | |||
| PEFR (litres/min) | −2.43 | −43.98 to 39.11 | 2 (16 and 22) |
| FEV1 (litres/min) | −0.16 | −0.40 to 0.07 | 3 (16, 18 and 21) |
| FVC (litres) | −0.22 | −0.68 to 0.23 | 2 (16 and 21) |
| Vemax (litres/min) | 4.79 | −2.78 to 12.38 | 2 (18 and 21) |
| Vo2max (ml/kg/min) | 5.57 | 3.94 to 7.19 | 5 (17, 18, 20, 21 and 22) |
| Work capacity (W) | 28.00 | 22.57 to 33.43 | 1 (17) |
| HRmax (bpm) | 3.64 | 0.99 to 6.28 | 3 (17, 21 and 22) |
| Episodes of wheeze (days) | −7.50 | −22.42 to 7.42 | 1 (16) |