Table 2.
Black (B) |
White (W) |
Mean Difference (95%CI, B-W) |
|
---|---|---|---|
N (% male) | 214 (40%) | 186 (50%) | |
Wang et al:11 | |||
FEV1 % pred. | 99.9 (12.4) | 104.4 (12.9) | −4.3 (−6.8; −1.8)** |
FVC% pred. | 103.0 (13.0) | 104.4 (12.9) | −1.4 (−4.0; −1.1) |
FEV1/FVC % pred. | 97.4 (7.6) | 99.8 (6.9) | −2.5 (−3.9; −1.1)** |
All-Age:10 | |||
FEV1 % pred. | 86.6 (10.2) | 102.1 (12.5) | −15.5 (−17.7;−13.3)*** |
FVC % pred. | 90.1 (11.2) | 103.5 (12.3) | −13.5 (−15.8;−11.2)*** |
FEV1/FVC % pred. | 95.4 (7.6) | 97.7 (6.6) | −2.3 (−3.7; −0.9)** |
Unless stated otherwise, results presented as mean (SD),
p<0.05,
p<0.005,
p<0.0005
Footnote: Wang et al equations have ethnic specific equations and were calculated respectively. All-age equations are based on White subjects, no ethnic adjustment was made in this table. These results are presented in more detail in the OLS (Table E6)