Table III.
Lung function at age 24 years by wheeze phenotype (restricted to 1343 participants with FEV1 percent predicted data and 1351 with FEV1/FVC data)
| Wheeze phenotypes, 0-16½ y | Baseline lung function at 24 y |
Postbronchodilator lung function at 24 y |
||||||
|---|---|---|---|---|---|---|---|---|
| FEV1 (% predicted) |
FEV1/FVC ratio |
FEV1 (% predicted) |
FEV1/FVC ratio |
|||||
| No. | Mean (SD) | No. | Mean (SD) | No. | Mean (SD) | No. | Mean (SD) | |
| Never infrequent | 1004 | 95.0 (11.7) | 1009 | 0.84 (0.06) | 830 | 97.9 (11.7) | 834 | 0.86 (0.06) |
| Transient early | ||||||||
| Preschool remitting | 329 | 93.4 (11.4) | 330 | 0.82 (0.07) | 274 | 96.8 (10.9) | 275 | 0.85 (0.06) |
| Midchildhood remitting | 89 | 93.5 (11.4) | 91 | 0.82 (0.06) | 71 | 97.5 (11.8) | 73 | 0.84 (0.05) |
| Late onset | ||||||||
| School-age onset | 61 | 95.4 (11.2) | 61 | 0.81 (0.08) | 47 | 100.8 (10.8) | 47 | 0.86 (0.06) |
| Late-childhood onset | 79 | 94.0 (12.1) | 80 | 0.82 (0.07) | 62 | 98.7 (10.8) | 63 | 0.85 (0.05) |
| Persistent wheeze | 80 | 91.6 (12.4) | 80 | 0.79 (0.09) | 59 | 96.5 (11.1) | 59 | 0.83 (0.07) |
FVC, Forced vital capacity.