Table 2 Comparison of parameters between non-severe episode group and severe episode group in all enrolled subjects
Category | Variable | Units | FEV1 < 1 L as the threshold of severe episode of ECOPD | ||
|---|---|---|---|---|---|
Non-severe episode (N = 93) | Severe episode (N = 62) | P value | |||
Demographics | Male | N (%) | 82(88.17) | 53(85.48) | 0.587 |
Age | Years | 74.00(68.00, 79.00) | 76.50(69.00, 80.00) | 0.202 | |
Height | cm | 165.50(162.00, 170.00) | 163.50(157.50, 168.00) | 0.018 | |
Weight | kg | 66.57(9.94) | 59.79(10.31) | < 0.001 | |
BMI | 24.38(3.73) | 22.65(3.36) | 0.008 | ||
Blood count | NEU | % | 72.05(65.08, 80.95) | 82.40(71.80, 86.40) | < 0.001 |
Pulmonary function | FEV1 | L | 1.37(1.15, 1.72) | 0.78(0.67, 0.86) | < 0.001 |
FEV1 Z-score | -2.29(-2.70, -1.83) | -3.53(-3.77, -3.18) | < 0.001 | ||
FEV1%Pred | 57.34(49.50, 67.95) | 33.46(28.83, 37.46) | < 0.001 | ||