Table 2 Cause of respiratory failure and timing of ICU transfer in cases
Variable | Cases (n = 51) |
|---|---|
Cause of respiratory failure | |
 Altered LOC with respiratory depression | 20 % (10) |
 Hypercapnic respiratory failure | 18 % (9) |
 Pneumonia | 16 % (8) |
 CHF | 10 % (5) |
 COPD exacerbation | 8 % (4) |
 Aspiration | 6 % (3) |
 Cardiac arrest | 6 % (3) |
 Sepsis | 6 % (3) |
 Pulmonary embolism | 4 % (2) |
 Upper airway edema/obstruction | 4 % (2) |
 Fat embolism | 2 % (1) |
 OSA/OHS | 2 % (1) |
 Total | 100 % (51) |
Day transferred to ICU | |
 Day 0 | 12 % (6) |
 Day 1 | 28 % (14) |
 Day 2 | 33 % (17) |
 Days 3–4 | 20 % (10) |
 Days 5–6 | 8 % (4) |
Time between end of surgery and transfer to ICU, hours | 42 (4–107) |