Table 2.
Short‐ and long‐term outcomes
| Total cohort (n = 447) | Hinchey Ib (n = 215) | Hinchey II* (n = 232) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Total (n = 447) | No PCD (n = 332) | PCD (n = 115) | P ‡ | No PCD (n = 197) | PCD (n = 18) | P | No PCD (n = 135) | PCD (n = 97) | P ‡ | |
| Short‐term outcomes | ||||||||||
| Treatment failure | 120 (26·8) | 79 (23·8) | 41 (35·7) | 0·013 | 44 (22·3) | 6 (33) | 0·359§ | 35 (25·9) | 35 (36) | 0·149 |
| Complications† | 25 (5·6) | 13 (3·9) | 12 (10·4) | 0·009 | 8 (4·2) | 0 (0) | 0·908§ | 5 (3·7) | 12 (12) | 0·032§ |
| Clinical deterioration/disease progression | 95 (21·3) | 59 (17·8) | 36 (31·3) | 0·002 | 30 (15·2) | 6 (33) | 0·091§ | 29 (21·5) | 30 (31) | 0·147 |
| Readmission | 71 (15·9) | 49 (14·8) | 22 (19·1) | 0·253 | 27 (13·7) | 5 (28) | 0·178§ | 22 (16·3) | 17 (18) | 0·714 |
| Persistent diverticulitis | 63 (14·1) | 42 (12·7) | 21 (18·3) | 0·130 | 23 (11·7) | 5 (28) | 0·100§ | 19 (14·1) | 16 (16) | 0·583 |
| Emergency surgery (sigmoid resection) | 40 (8·9) | 24 (7·2) | 16 (13·9) | 0·030 | 10 (5·1) | 1 (6) | 0·693§ | 14 (10·4) | 15 (15) | 0·117 |
| Death | 5 (1·1) | 3 (0·9) | 2 (1·7) | 0·607§ | 3 (1·5) | 0 (0) | 1·000§ | 0 (0) | 2 (2) | 0·332§ |
| Long‐term outcomes | ||||||||||
| Complications† | 74 (16·6) | 46 (13·9) | 28 (24·3) | 0·009§ | 25 (12·7) | 7 (39) | 0·016§ | 21 (15·6) | 21 (22) | 0·245 |
| Overall recurrence | 122 (27·3) | 93 (28·0) | 29 (25·2) | 0·474¶ | 54 (27·4) | 7 (39) | 0·623¶ | 39 (28·9) | 22 (23) | 0·349¶ |
| Sigmoid resection | 124 (27·7) | 87 (26·2) | 37 (32·2) | 0·07¶ | 57 (28·9) | 6 (33) | 0·474¶ | 30 (22·2) | 31 (32) | 0·046¶ |
| Death | 28 (6·3) | 16 (4·8) | 12 (10·4) | 0·048¶ | 8 (4·1) | 2 (11) | 0·263¶ | 8 (5·9) | 10 (10) | 0·270¶ |
Values in parentheses are percentages.
*
Abscess 5 cm or larger in diameter and/or distant abscess.
†
Colonic obstruction/ileus, fistula or perforation. PCD, percutaneous drainage.
‡
Pearson χ2 test, except
§
Fisher's exact test and
¶
Mantel–Cox log rank test.