Preovulatory(days 5 to 11)(n = 225) | Periovulatory(days 12 to 18)(n = 176) | Postovulatory(days 19 to 25)(n = 176) | Perimenstrual(days 26 to 4)(n = 215) | p value | |
---|---|---|---|---|---|
ED, emergency department; PEF, peak expiratory flow. | |||||
*PEF reported as % predicted based on age, sex, and height.33 | |||||
Mean age (years) | 33 | 35 | 34 | 33 | 0.17 |
African-American (%) | 75 | 75 | 76 | 76 | 0.99 |
History of intubation (%) | 15 | 17 | 10 | 14 | 0.30 |
History of oral corticosteroids (%) | 34 | 32 | 34 | 38 | 0.70 |
History of ED visit in the past year (%) | 68 | 73 | 67 | 68 | 0.06 |
Initial PEF (% pred)* | 52 | 45 | 49 | 47 | 0.11 |
Final PEF (% pred)* | 67 | 62 | 61 | 63 | 0.43 |
Hospitalised for index exacerbation (%) | 14 | 13 | 18 | 9 | 0.20 |