Table 2.
Clinical outcomes of the patients who underwent non-operative treatment with antibiotics and antibiotics plus percutaneous drainage
| Variable Mean ± SD or N. (%) | Missing data | Results | |
|---|---|---|---|
| Length of antibiotic therapy (days) | 204 | 8.73 ± 3.68; 95%CI 9.21–8.25 | |
| Length of hospital stay (days) | 3 | 11.29 ± 7.34; 95%CI 11.99–10.60 | |
| In-hospital morbidity | 0 | No morbidity | 360 (86.25%) |
| Clavien-Dindo I | 19 (4.43%) | ||
| Clavien-Dindo II | 20 (4.66%) | ||
| Clavien-Dindo IIIa | 7 (1.63%) | ||
| Clavien-Dindo IIIb | 12 (2.80%) | ||
| Clavien-Dindo IVa | 1 (0.23%) | ||
| Clavien-Dindo IVb | – | ||
| Symptomatic acute diverticulitis recurrence ≤ 30 days | 0 | 5 (1.16%) | |
| Symptomatic acute diverticulitis recurrence > 30 days (to 90-day follow-up) | 0 | 30 (6.99%) | |
| Characteristics of the diverticulitis recurrence (if any) | 0 | No recurrence | 394 |
| Obstruction | 4 (11.42%) | ||
| Abscess | 19 (54.29%) | ||
| Perforation | 12 (34.29%) | ||
| Failure of the conservative treatment | 0 | 116 (27.04%) | |
| Reason for failure | 313 | Acute diffuse peritonitis | 44 (37.93%) |
| Septic shock | 13 (11.20%) | ||
| Increased size of the abscess at the follow-up CT scan | 23 (19.82%) | ||
| Four quadrant free abdominal fluid at the follow-up CT scan | 2 (1.72%) | ||
| Lack of dimensional improvement at the follow-up CT scan | 34 (29.33%) | ||
| In-hospital mortality | 0 | 3 (0.69%) | |
| Treatment of the failure: Laparoscopic lavage | 0 | 16 (13.79%) | |
| Treatment of the failure: Hartmann resection | 0 | 42 (36.20%) | |
| Treatment of the failure: Colorectal resection with primary anastomosis | 0 | 58 (50.0%) | |
| Treatment of the failure: Colorectal resection with open abdomen | 0 | 10 (8.62%) | |