Table 3.
Demographics and Comorbidities between intervention and control groups.
| Intervention n = 47 | Control n = 47 | ||||
|---|---|---|---|---|---|
|
|
|||||
| Age | 63 | (53.5, 67.5) | 57 | (45.5, 64.5) | |
| Predicted Body Weight | 63.9 | (57.0, 71.9) | 68.4 | (55.3, 74.2) | |
| ASA Status | 4 | (3, 4) | 4 | (3, 4) | |
| Preoperative P/F Ratio | 201 | (176.1, 230.9) | 184.8 | (140.2, 221.3) | |
| Male | 29 | 62% | 30 | 64% | |
| Emergent Surgery | 15 | 32% | 18 | 38% | |
| Hypertension | 27 | 57% | 25 | 53% | |
| CAD | 20 | 43% | 15 | 32% | |
| CHF | 8 | 17% | 16 | 34% | |
| Pneumonia | 7 | 15% | 6 | 13% | |
| COPD | 11 | 23% | 9 | 19% | |
| Asthma | 2 | 4% | 2 | 4% | |
| OSA | 10 | 21% | 10 | 21% | |
| Hepatic Disease | 6 | 13% | 12 | 26% | |
| Renal Failure | 16 | 34% | 17 | 36% | |
| Diabetes | 15 | 32% | 14 | 30% | |
| Bilateral Infiltrates on CXR | 36 | 72% | 31 | 62% | |
There were no statistically significant differences between groups in any parameter. Values are represented as median (IQR) or n (%). ASA = American Society of Anesthesiologists, CAD = coronary artery disease, CHF = congestive heart failure, COPD = chronic obstructive pulmonary disease, CXR = chest x-ray, P/F = ratio of partial pressure of arterial oxygen to inspired fraction of oxygen, OSA = obstructive sleep apnea.