From: Discordance in Spirometric Interpretations Based on Korean and Non-Korean Reference Equations
Age group | Choi | Lee | Mean difference (95% CI) | |
---|---|---|---|---|
Measured/Calculated | 40-49 | 93.6 ± 10.6 | 95.7 ± 10.8 | -2.1 ± 1.1* |
(-2.3 - -2.0) | ||||
FEV1(%) | ≥ 50 | 92.1 ± 11.9 | 92.8 ± 14.8 | -1.9 ± 1.5* |
(-2.1 - -1.7) | ||||
Total | 92.1 ± 11.9 | 94.1 ± 13.3 | -2.0 ± 1.3* | |
(-2.1 - -1.9) | ||||
Measured/Calculated | 40-49 | 98.9 ± 11.3 | 101.3 ± 11.4 | -2.4 ± 1.9* |
(-2.6 - -2.1) | ||||
FVC(%) | ≥ 50 | 97.6 ± 11.3 | 101.2 ± 12.8 | -4.5 ± 2.0* |
(-4.7 - -4.2) | ||||
Total | 97.6 ± 11.3 | 101.2 ± 12.2 | -3.5 ± 2.2* | |
(-3.7 - -3.3) |