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. 2001 Jan 22;2001(1):CD002988. doi: 10.1002/14651858.CD002988

Comparison 3. FEV1 Trials.

Outcome or subgroup title No. of studies No. of participants Statistical method Effect size
1 FEV1 (L) at 15 minutes 2 59 Mean Difference (IV, Random, 95% CI) ‐0.01 [‐0.11, 0.09]
2 FEV1 (L) at 1 hour 4 87 Mean Difference (IV, Random, 95% CI) 0.01 [‐0.16, 0.17]
3 FEV1 (L) at 3 hours 2 59 Mean Difference (IV, Random, 95% CI) 0.04 [‐0.15, 0.24]