From: DSP variants may be associated with longitudinal change in quantitative emphysema
 | COPDGene | ECLIPSE | |
---|---|---|---|
 | NHW | AA | Whites |
N | 3030 | 1158 | 1397 |
Age (year) | 62.42 (8.35) | 54.45 (7.09) | 62.78 (7.50) |
Female | 1500 (49.5) | 579 (50.0) | 489 (35.0) |
Pack-years | 44.54 (24.28) | 37.19 (20.75) | 47.70 (27.21) |
Former smokers | 2161 (71.3) | 242 (20.9) | 896 (64.1) |
BMI (kg/m2) | 29.08 (5.84) | 29.30 (6.69) | 26.64 (5.39) |
Spirometry Grade | |||
 PRISm | 317 (10.5) | 177 (15.4) | NA |
 Control | 1363 (45.1) | 645 (56.3) | 146 (10.5) |
 GOLD I | 314 (10.4) | 69 (6.0) | NA |
 GOLD II | 641 (21.2) | 175 (15.3) | 533 (38.2) |
 GOLD III | 312 (10.3) | 69 (6.0) | 551 (39.4) |
 GOLD IV | 77 (2.5) | 11 (1.0) | 167 (12.0) |
Annual change in %LAA-950 | 0.02 (0.71) | 0.10 (0.54) | 0.59 (2.13) |
Annual change in ALD | −0.04 (2.05) | −0.22 (2.27) | −1.27 (3.63) |
Follow-up Period (years) | 5.51 (0.71) | 5.59 (0.89) | 2.56 (0.81) |
Emphysema case (%LAA-950 > 5%) at baseline | 1041 (34.4) | 188 (16.2) | 1112 (79.6) |