Table 3 Concordance of spirometry results in the Korean equations
From: Discordance in Spirometric Interpretations Based on Korean and Non-Korean Reference Equations
Severity | Age | Choi | Lee | Agreement of Lee with Choi | Kappa |
|---|---|---|---|---|---|
Obstructive | |||||
mild† | 40-49 | 18 (7.8) | 18 (7.8) | 18 (100) | 1.000* |
moderate | 3 (1.3) | 3 (1.3) | 3 (100) | ||
mild | ≥ 50 | 48 (16.3) | 50 (17.0) | 48 (100) | 0.985* |
moderate | 39 (13.3) | 37 (12.6) | 37 (94.9) | ||
mild | Total | 66 (8.7) | 68 (12.6) | 66 (100) | 0.989* |
moderate | 42 (5.9) | 40 (7.4) | 40 (95.2) | ||
Restrictive | 40-49 | 10 (4.3) | 3 (1.3) | 3 (30.0) | 0.451* |
≥ 50 | 22 (7.5) | 13 (4.4) | 13 (59.1) | 0.728* | |
Total | 32 (4.8) | 16 (3.0) | 16 (50.0) | 0.653* |