Combination of outcomes versus GPRD asthma
| ALSPAC asthma outcome | GP-recorded diagnosis of asthma | |
|---|---|---|
| No | Yes | |
| Ever reported wheezing+ever reported breathlessness | ||
| No | 99 (86.1%) | 6 |
| Yes | 16 | 20 (76.9%) |
| Ever reported symptoms+doctor diagnosis by 7.5 years | ||
| No | 113 (98.3%) | 8 |
| Yes | 2 | 18 (69.2%) |
| Wheezing reported on ≥2 occasions+doctor diagnosis | ||
| No | 112 (97.4%) | 6 |
| Yes | 3 | 20 (76.9%) |
| Ever reported a frequent wheeze+doctor diagnosis | ||
| No | 114 (99.1%) | 9 |
| Yes | 1 | 17 (65.4%) |
ALSPAC, Avon Longitudinal Study of Parents and Children; GP, general practitioner; GPRD, General Practice Research Database.