Table 3 Comparison of postoperative complications and outcome indicators between the two groups
From: Effect of the COVID-19 pandemic on complications and mortality of patients with cardiac surgery
Characteristics | Control group (n = 292) | Observation group (n = 130) | P-value |
|---|---|---|---|
Ventilator assistance time (day) | 1 (0.5–1) | 1 (1–2) | 0.000 |
Length of stay in the ICU (day) | 2 (1–3) | 4 (2–6) | 0.000 |
Length of stay in the hospital (day) | 12 (10–17) | 17 (13–23) | 0.000 |
Postoperative complications | |||
Infected person (%) | 12 (4.11) | 27 (20.77) | 0.000 |
Atelectasis (%) | 21 (7.19) | 36 (27.69) | 0.000 |
Pulmonary edema (%) | 3 (1.03) | 13 (10.00) | 0.000 |
Gastrointestinal dysfunction (%) | 9 (3.08) | 28 (21.54) | 0.000 |
Ventricular arrhythmia (%) | 10 (3.42) | 10 (7.69) | 0.057 |
Atrial arrhythmia (%) | 4 (1.37) | 12 (9.23) | 0.000 |
Secondary tracheal intubation (%) | 8 (2.74) | 16 (12.31) | 0.000 |
Acute kidney injury (%) | 7 (2.40) | 13 (10.00) | 0.001 |
Acute liver injury (%) | 4 (1.37) | 4 (3.08) | 0.235 |
Coagulation disorders (%) | 1 (0.34) | 6 (4.62) | 0.002 |
Stroke (%) | 7 (2.40) | 7 (5.38) | 0.114 |
Delirium (%) | 7 (2.40) | 6 (4.62) | 0.223 |
Secondary hemostasis (%) | 5 (1.71) | 2 (1.54) | 0.897 |
Total blood transfusion (ml) | 600 (400–1000) | 1700 (920–3060) | 0.000 |
Total mediastinal drainage (ml) | 625 (372–1114) | 980 (609–2481) | 0.000 |
30-day mortality rate (%) | 18 (6.16) | 14 (10.77) | 0.099 |
6 months mortality rate (%) | 26 (8.90) | 24 (18.46) | 0.005 |