Standing PEF lmin–1 (SD) | Sitting PEF (SD) | Difference (95% CI) | P-value | |
---|---|---|---|---|
Total (n = 199) | 438.4 (121) | 429.7 (118) | 8.7 (3.6 to 13.8) | 0.001 |
Men (n = 88) | 518.7 (111) | 506.3 (107) | 12.4 (3.3 to 21.5) | 0.008 |
Women (n = 111) | 374.7 (86) | 368.9 (86) | 5.8 (0.11 to 11.5) | 0.046 |
Asthma diagnosis (n = 44) | 395.3 (115) | 393.0 (103) | 2.4 (-6.7 to 11.5) | 0.600 |
No asthma (n = 153) | 451.6 (121) | 441.2 (120) | 10.4 (4.3 to 16.5) | 0.001 |
P<0.05 is signficant. PEF = peak expiratory flow. SD = standard deviation.