Table 1. Baseline Characteristics of Patients Included in Long-term Follow-up With a Hinchey Stage Less Than IV.
| Characteristic | Patients, No. (%) | |
|---|---|---|
| Lavage (n = 73) | Resection (n = 69) | |
| Age, mean (SD), y | 66.4 (13) | 63.5 (14) |
| Sex ratio (male:female) | 39:34 | 36:33 |
| BMI, mean (SD) | 26.5 (5) | 26.1 (4) |
| Previous abdominal surgery | ||
| None | 53 (73) | 45 (65) |
| Single | 13 (18) | 15 (22) |
| Multiple | 7 (10) | 9 (13) |
| Previous episodes of diverticulitis | ||
| None | 57 (78) | 51 (74) |
| Single | 8 (11) | 10 (15) |
| Multiple | 8 (11) | 8 (12) |
| Comorbidity | ||
| None | 16 (22) | 14 (20) |
| Anti-inflammatory medication use | 16 (22) | 14 (20) |
| Chronic obstructive lung disease or asthma | 9 (12) | 14 (20) |
| Ischemic heart disease or heart failure | 6 (8) | 15 (22) |
| Cigarette smoking | 8 (11) | 12 (17) |
| Alcoholism or drug abuse | 2 (2) | 6 (8) |
| Active malignant condition | 5 (6) | 3 (4) |
| Insulin-treated diabetes | 3 (4) | 2 (3) |
| Immunodeficiency or chronic hepatitis | 1 (1) | 2 (3) |
| Uremia needing dialysis | 0 | 0 |
| Other | 45 (62) | 45 (64) |
| American Society of Anesthesiology level | ||
| I | 12 (16) | 11 (16) |
| II | 38 (52) | 26 (38) |
| III | 20 (27) | 31 (45) |
| IV | 3 (4) | 1 (1) |
| V | 0 | 0 |
| Charlson Comorbidity Index, mean (SD) | 3.8 (2) | 3.6 (2) |
Abbreviation: BMI, body mass index (calculated as weight in kilograms divided by height in meters squared).