Table 1. Demographic and clinical characteristics of the 32 patients at baseline evaluation, before the gastrointestinal tract operation.
| Variable | measurement unity/type | n |
|---|---|---|
| Age | years: mean(range) | 49 (18-72) |
| Sex | male/female | 18/14 |
| Body mass index | kg/m2: mean (range) | 22.6 (16.0-46.8) |
| Malnutrition | yes: n (%) | 16 (50%) |
| Lymphocytes | cells/mm3: mean (range) | 1957 (610-3510) |
| American Society of Anesthesiologists score | n (%) | |
| 1 | 6 (18.7) | |
| 2 | 18 (56.3) | |
| 3 | 8 (25.0) | |
| Malignant disease | n (%) | 11 (34.4) |
| Presence of co-morbidity | yes: n (%) | 15 (46.9) |
| Clinical diagnosis | n (%) | |
| Biliary tract condition | 7 (21.9) | |
| Peptic ulcer | 6 (18.8) | |
| Benign esophageal condition | 5 (15.7) | |
| Gastric cancer | 3 (9.4) | |
| Periampullary cancer | 3 (9.4) | |
| Colorectal cancer | 3 (9.4) | |
| Megacolon | 2 (6.2) | |
| Miscellaneous | 3 (9.4) | |
| Total | 32 100.0 |