Table 2 Mean GLI2012-z-scores for FVC, FEV1, FEV1/FVC ratio, MMEF by different ethnic GLI2012 modules
Spirometry | African American | Caucasian | North-Eastern Asia | South-Eastern Asia | Other-Ethnic Group | p-value |
|---|---|---|---|---|---|---|
FVC | ||||||
Boys | −0.08 (0.97) | −1.41 (0.91) | −1.75 (1.49) | −0.49 (0.98) | − 0.82 (1.03) | 0.075 |
Girls | −0.15 (1.05) | −1.38 (1.01) | −1.43 (1.24) | −0.21 (1.10) | − 0.80 (1.14) | 0.217 |
FEV1 | ||||||
Boys | −0.33 (0.90) | −1.57 (0.84) | −1.97 (1.30) | −0.90 (0.90) | − 1.05 (0.90) | 0.134 |
Girls | −0.40 (0.99) | −1.56 (0.93) | −1.47 (0.96) | −0.63 (1.00) | − 1.05 (1.00) | 0.480 |
FEV1/FVC | ||||||
Boys | −0.42 (1.11) | −0.29 (1.10) | − 0.46 (1.35) | −0.87 (1.24) | − 0.48 (1.16) | < 0.001 |
Girls | −0.43 (1.21) | − 0.34 (1.20) | − 0.55 (1.36) | −0.77 (1.16) | − 0.54 (1.25) | < 0.001 |
MMEF | ||||||
Boys | −0.48 (1.06) | −1.10 (1.17) | −1.12 (1.37) | − 1.18 (1.31) | − 0.89 (1.20) | < 0.001 |
Girls | −0.66 (1.02) | − 1.27 (1.11) | − 1.00 (1.20) | − 1.19 (1.20) | −1.08 (1.15) | 0.458 |