Table 2 Baseline characteristics of the patients by group
Variable | PPC+ N = 18 | PPC- N = 49 | p value |
|---|---|---|---|
Age, years | 68.4 ± 10.2 | 66.4 ± 9.6 | 0.4829 |
Male, N (%) | 11 (61.1) | 26 (53.1) | 0.5570 |
ASA 3, N (%) | 12 (66.7) | 13 (26.5) | 0.0026 |
BMI, kg/m2 | 26.4 ± 4.6 | 26.5 ± 5.5 | 0.9736 |
COPD, N (%) | 5 (27.8) | 5 (10.2) | 0.1175 |
Hypertension, N (%) | 11 (61.1) | 33 (67.4) | 0.6337 |
Congestive heart failure, N (%) | 5 (27.8) | 6 (12.2) | 0.1494 |
Diabetes, N (%) | 2 (11.1) | 10 (20.4) | 0.4903 |
Smoker, N (%) | 2 (11.1) | 5 (10.2) | 1.0000 |
Active extrapulmonary infection, N (%) | 3 (16.7) | 6 (12.2) | 0.6926 |
SpO2 on ambient air, %, median (IQR) | 97 (91–94) | 98 (92–96) | 0.2588 |
Haemoglobin, g/dl | 12.4 ± 2.5 | 13.0 ± 1.9 | 0.2892 |
Creatinine, μmol/l | 86.2 ± 31.2 | 74.2 ± 18.3 | 0.1408 |