Table 1 Baseline information in the GSE76925 dataset.
Characteristics | Control | COPD | p value |
|---|---|---|---|
N = 40 | N = 111 | ||
Sex (%) | |||
 Male | 15 (37.50) | 52 (46.85) | 0.404 |
 Female | 25 (62.50) | 59 (53.20) | |
Age | 65.72 (9.01) | 63.30 (6.61) | 0.074 |
Age (%) | |||
 < 45 | 1 (2.63) | 1 (0.90) | 0.266 |
 45–54 | 2 (5.26) | 8 (7.21) | |
 55–64 | 12 (31.58) | 56 (50.45) | |
 ≥ 65 | 23 (60.53) | 46 (41.44) | |
FEV1/FVC | 0.79 (0.05) | 0.32 (0.10) |  < 0.001 |
FEV1% | 98.84 (12.84) | 26.51 (9.38) |  < 0.001 |
BMI | 28.08 (5.70) | 25.62 (4.62) | 0.008 |
BMI (%) | |||
 < 18.5 | 1 (2.50) | 5 (4.50) | 0.100 |
 18.5–24.9 | 10 (25.00) | 48 (43.20) | |
 25–29.9 | 14 (35.00) | 36 (32.40) | |
 30–34.9 | 12 (30.00) | 20 (18.00) | |
 ≥ 35 | 3 (7.50) | 2 (1.80) | |
