Table 1. Correlation of preoperative risk factors with actual outcomes (complications vs. no complications).
| Characteristics | No. (%) | Complications | No complications | P-value* | |
|---|---|---|---|---|---|
| Age (yr) | 0.954 | ||||
| <65 | 138 (66.7) | 26 (18.8) | 112 (81.2) | ||
| 65–74 | 44 (21.3) | 9 (20.5) | 35 (79.5) | ||
| 75–84 | 24 (11.6) | 5 (20.8) | 19 (79.2) | ||
| >84 | 1 (0.5) | 0 | 1 (100.0) | ||
| Type of surgery | 0.314 | ||||
| Billroth I | 2 (1.0) | 1 (50.0) | 1 (50.0) | ||
| Billroth II | 22 (10.6) | 5 (22.7) | 17 (77.3) | ||
| Roux-en-Y GJ | 155 (74.9) | 26 (16.8) | 129 (83.2) | ||
| Roux-en-Y EJ | 28 (13.5) | 8 (28.6) | 20 (71.4) | ||
| HTN | 0.742 | ||||
| Yes | 68 (32.9) | 14 (20.6) | 54 (79.4) | ||
| No | 139 (67.1) | 26 (18.7) | 113 (81.3) | ||
| DM | 0.491 | ||||
| Yes | 34 (16.4) | 8 (23.5) | 26 (76.5) | ||
| No | 173 (83.6) | 32 (18.5) | 141 (81.5) | ||
| BMI | 0.587 | ||||
| Normal (18.5–24.9) | 125 (60.4) | 22 (17.6) | 103 (82.4) | ||
| Overweight (25–29.9) | 72 (34.8) | 15 (20.8) | 57 (79.2) | ||
| Obese (30 and above) | 10 (4.8) | 3 (30.0) | 7 (70.0) | ||
| Smoking in 1 year | 0.657 | ||||
| Yes | 36 (17.4) | 34 (94.4) | 137 (380.6) | ||
| No | 171 (82.6) | 6 (3.5) | 30 (17.5) | ||
| Cardiac event | 0.323 | ||||
| Yes | 4 (1.9) | 0 | 4 (100.0) | ||
| No | 203 (98.1) | 40 (19.7) | 163 (80.3) | ||
| Functional dependence | 0.041 | ||||
| Independent | 206 (99.5) | 39 (18.9) | 167 (81.1) | ||
| Partially dependent | 1 (0.5) | 1 (100.0) | 0 | ||
| ASA class | 0.373 | ||||
| 1 | 60 (29.0) | 8 (13.3) | 52 (86.7) | ||
| 2 | 143 (69.1) | 31 (21.7) | 112 (78.3) | ||
| 3 | 4 (1.9) | 1 (25.0) | 3 (75.0) | ||
| 4, 5 | 0 | 0 | 0 | ||
| Steroid use | 0.041 | ||||
| Yes | 1 (0.5) | 1 (100.0) | 0 | ||
| No | 206 (99.5) | 39 (18.9) | 167 (81.1) | ||
| Ascites | 0.481 | ||||
| Yes | 2 (1.0) | 0 | 2 (100.0) | ||
| No | 205 (99.0) | 40 (19.5) | 165 (80.5) | ||
Values are presented as number of patients (%).
GJ = gastrojejunostomy; EJ = esophagojejunostomy; HTN = hypertension; DM = diabetes mellitus; BMI = body mass index; ASA = American Society of Anesthesia.
*P<0.05 was considered significant.