Table 2. Preoperative characteristics .
Hb, hemoglobin; BMI, body mass index; NRS, nutritional risk screening
| n (%) | |
| Consultation | |
| Surgery/anesthesia | 87 (94) |
| Nurse | 0 (0) |
| BMI | |
| Underweight | 1 (1) |
| Healthy weight | 21 (30) |
| Overweight | 37 (53) |
| Obese class 1 | 5 (7) |
| Obese class 2 | 6 (9) |
| NRS 2002 | 26 (28) |
| <3 | 13 (50) |
| ≥3 | 13 (50) |
| Screening of anemia | |
| Hb <130 g/L | 36 (39) |
| Male | 13 (36) |
| Female | 23 (64) |
| Anemia treatment | |
| Intravenous iron | 5 (63) |
| Blood transfusion | 2 (25) |
| Oral iron | 1 (12) |
| Comorbidities | |
| Cardiovascular disease | 64 (69) |
| Respiratory disease | 13 (14) |
| Diabetes | 25 (27) |
| Alcohol abuse | 16 (17) |
| Avoided alcohol | 7 (44) |
| Tobacco use | 22 (24) |
| Smoking cessation | 6 (27) |
| ASA performance score | |
| I | 4 (4) |
| II | 61 (66) |
| III | 27 (29) |
| IV | 1 (1) |
| Surgical procedure | |
| Hemicolectomy | 38 (41) |
| Sigmoidectomy | 23 (25) |
| Low anterior resection | 22 (24) |
| Abdominal perineal resection | 8 (8) |
| Colectomy | 2 (2) |
| Neoadjuvant therapy | |
| Chemotherapy | 3 (13) |
| Radiotherapy | 1 (4) |
| Chemotherapy + radiotherapy | 20 (83) |
| Surgical technique | |
| Laparoscopic | 87 (94) |
| Laparotomy | 6 (6) |