From: Vitamin D-responsive SGPP2 variants associated with lung cell expression and lung function
Covariate | African-Americans | European-Americans |
---|---|---|
 | (N = 996) | (N = 1,502) |
Age, years** | 73.4 (2.9) | 73.7 (2.8) |
Women (%) | 553 (55.5) | 708 (47.1) |
Memphis, TN site (%) | 464 (46.6) | 759 (50.5) |
Former Smokers (%) | 398 (40) | 746 (49.7) |
Current Smokers (%) | 167 (16.8) | 99 (6.6) |
Pack-years | 29.5 (24.1) | 36.5 (31.9) |
FEV1, mL | 1948.7 (569.4) | 2305.4 (654.3) |
FEV1/FVC | 75.5 (9.3) | 74.4 (7.9) |
Height, cm | 165.7 (9.4) | 167 (9.3) |
Mean 25(OH)D (ng/mL)*** | 20.9 (10.6) | 29 (11) |
COPD, defined by LLN (%) | 66 (7.0) | 110 (7.5) |