Total number of wheezing episodes
| Total wheezing episodes | Total participants up to month 12 (%) | Total participants up to month 24 (%) |
|---|---|---|
| 0 | 623 (50.4) | 473 (38.3) |
| 1 | 80 (6.5) | 125 (10.1) |
| 2 | 45 (3.6) | 56 (4.5) |
| 3 | 23 (1.9) | 37 (3.0) |
| ≥4 episodes | 52 (4.2) | 95 (7.7) |
| Missing | 413 (33.4) | 450 (36.4) |
| Total | 1236 | 1236 |