Table 1.
Patient characteristics, surgery related data, and the duration of hospital stay. Values are mean ± standard deviation or number (percentage)
| No complications (n = 50) | Complications (n = 29) | P | |
|---|---|---|---|
| Age (years) |
65.7 ± 11.5 |
63.6 ± 11.3 |
0.434† |
| Sex (male:female) |
25:25 |
25:4 |
0.002‡ |
| Weight (kg) |
75.0 ± 11.7 |
79.8 ± 9.4 |
0.063† |
| ASA status: |
|||
| 2 |
39 (78.0) |
20 (69.0) |
0.536‡ |
| 3 |
11 (22.0) |
9 (31.0) |
|
| Preoperative hemoglobin (g/L) |
131.5 ± 17.0 |
133.8 ± 17.8 |
0.571† |
| Cancer |
46 (92.0) |
27 (93.1) |
0.793‡ |
| Metastases/locally advanced disease |
8 (16.0) |
6 (20.7) |
0.825‡ |
| Surgical procedure: |
|||
| resection of the colon (ascending, descending, transverse, sigmoid) |
27 (54.0) |
6 (20.6) |
0.005‡ |
| resection of the rectum with colorectal anastomosis |
|||
| 13 (26.0) |
9 (31.0) |
0.828‡ |
|
| abdominoperineal resection |
3 (6.0) |
8 (27.6) |
0.019‡ |
| Hartmann procedure |
1 (2.0) |
2 (6.9) |
0.629‡ |
| other procedures |
6 (12.0) |
4 (13.8) |
0.728‡ |
| rectal surgery (total) |
16 (32.0) |
21 (72.4) |
0.001‡ |
| Duration of surgery (min) |
139.1 ± 57.3 |
159.0 ± 50.7 |
0.126† |
| Transfusion of PRBC:§ |
|||
| number of patients |
25 (50.0) |
22 (75.9) |
0.036‡ |
| transfused volume (mL)/patient |
525.2 ± 282.8 |
826.4 ± 666.1 |
0.045† |
| Hospital stay (days) | 12.9 ± 2.3 | 22.3 ± 9.6 | <0.001† |
*Abbreviations: ASA – American Society of Anesthesiologists; PRBC – packed red blood cells.
†t test.
‡χ2 test.
§Intraoperative and postoperative days 0-2.