From: Effect of diagnosis delay on pulmonary function in children with asthma
Duration of delayed asthma diagnosis | FVC% pred | FEV1% pred | FEV1/FVC% | PEF% pred | FEF50% pred | FEF75% pred |
---|---|---|---|---|---|---|
First comparison | ||||||
≤ 3 months | 102.6 ± 13.2 | 99.5 ± 14.9 | 99.6 ± 7.7 | 91.6 ± 16.2 | 76.0 ± 20.9 | 88.0 ± 19.6 |
3–12 months | 101.6 ± 14.4 | 98.1 ± 16.9 | 96.1 ± 7.9 | 90.1 ± 18.1 | 74.8 ± 23.1 | 86.2 ± 21.8 |
1–3 years | 101.6 ± 13.7 | 98.5 ± 16.7 | 96.2 ± 8.9 | 90.8 ± 17.5 | 75.7 ± 24.2 | 87.1 ± 22.1 |
3–5 years | 100.3 ± 14.8 | 96.6 ± 16.8 | 95.6 ± 9.5 | 89.5 ± 17.9 | 73.5 ± 23.8 | 84.8 ± 23.1 |
> 5 years | 98.5 ± 13.8 | 94.8 ± 14.8 | 95.7 ± 8.1 | 89.2 ± 14.9 | 73.9 ± 21.5 | 83.6 ± 19.5 |
F | 4.9 | 5.0 | 1.1 | 1.4 | 0.8 | 2.6 |
P-value | 0.03 | 0.03 | 0.3 | 0.2 | 0.4 | 0.1 |
Second comparison | ||||||
≤ 3 months | 104.3 ± 12.0 | 102.4 ± 2.8 | 97.9 ± 6.4 | 95.7 ± 15.1 | 82.4 ± 20.1 | 93.4 ± 17.9 |
3–12 months | 103.1 ± 12.5 | 101.4 ± 14.0 | 98.2 ± 6.9 | 95.0 ± 15.7 | 82.5 ± 21.5 | 92.9 ± 20.4 |
1–3 years | 103.0 ± 12.4 | 100.9 ± 14.8 | 97.5 ± 8.5 | 95.6 ± 16.4 | 80.9 ± 23.6 | 91.6 ± 21.3 |
3–5 years | 102.2 ± 10.8 | 100.2 ± 12.3 | 97.7 ± 7.4 | 94.6 ± 14.3 | 80.1 ± 19.7 | 92.3 ± 18.6 |
> 5 years | 98.0 ± 13.6 | 96.0 ± 15.5 | 96.9 ± 7.5 | 93.2 ± 4.4 | 79.1 ± 21.8 | 88.2 ± 21.3 |
F | 11.0 | 9.7 | 1.2 | 0.97 | 2.3 | 3.0 |
P-value | 0.001 | 0.002 | 0.28 | 0.33 | 0.1 | 0.08 |
Third comparison | ||||||
≤ 3 months | 103.0 ± 11.7 | 101.5 ± 12.7 | 98.4 ± 6.9 | 97.0 ± 15.2 | 83.2 ± 20.7 | 93.9 ± 19.2 |
3–12 months | 103.6 ± 12.1 | 101.5 ± 12.8 | 97.9 ± 6.4 | 96.8 ± 14.2 | 82.6 ± 20.5 | 93.7 ± 18.4 |
1–3 years | 102.1 ± 12.2 | 101.2 ± 13.3 | 98.5 ± 7.7 | 96.4 ± 15.9 | 83.6 ± 22.1 | 94.1 ± 20.7 |
3–5 years | 102.6 ± 13.0 | 101.2 ± 14.1 | 98.2 ± 7.1 | 97.7 ± 5.6 | 82.5 ± 18.9 | 95.7 ± 20.1 |
> 5 years | 99.0 ± 10.6 | 97.0 ± 10.8 | 97.5 ± 6.4 | 95.2 ± 12.6 | 80.4 ± 18.4 | 89.9 ± 19.3 |
F | 4.5 | 3.0 | 0.5 | 0.4 | 0.9 | 1.0 |
P-value | 0.03 | 0.08 | 0.5 | 0.5 | 0.3 | 0.3 |