Table 2.
Patient demographics, imaging characteristics, operative characteristics, and postoperative outcomes in patients who presented with abscess (n = 99)
| Overall (n = 99) |
Early resection (n = 43) |
Delayed resection (n = 56) |
p value | |
|---|---|---|---|---|
| Patient and disease characteristics | ||||
| Male (%) | 60 (61) | 28 (65) | 32 (57) | 0.55 |
| Age (median [IQR]) | 27 [22, 32] | 25 [22, 30] | 28 [22, 34] | 0.23 |
| BMI (median [IQR]) | 22.0 [19.6, 25.0] | 22.5 [19.6, 27.1] | 21.6 [19.6, 24.3] | 0.32 |
| ASA ≥ 3 (%) | 37 (37) | 17 (40) | 20 (36) | 0.86 |
| Smoker (%) | 7 (7) | 4 (9) | 3 (5) | 0.46 |
| Duration of CD, months (median [IQR]) | 7.0 [1.0, 12.0] | 7.0 [1.5, 12.5] | 6.0 [1.0, 12.0] | 0.71 |
| History of prior ICR (%) | 16 (16.2) | 8 (18.6) | 8 (14.3) | 0.76 |
| Perioperative steroids (%) | 17 (17.2) | 6 (14.0) | 11 (19.6) | 0.64 |
| Perioperative biologics (%) | 55 (55.6) | 24 (55.8) | 31 (55.4) | 1.00 |
| WBC, × 103/µL (median [IQR]) | 8.3 [6.4, 10.6] | 8.3 [6.2, 11.1] | 8.2 [6.5, 10.3] | 0.88 |
| Albumin, g/dL (median [IQR]) | 3.1 [2.8, 3.5] | 3.1 [2.8, 3.4] | 3.2 [2.9, 3.6] | 0.18 |
| Imaging characteristics | ||||
| Abscess size, cm (median [IQR]) | 3.5 [2.5, 4.9] | 3.4 [2.0, 4.8] | 3.7 [2.7, 4.9] | 0.17 |
| Phlegmon | 24 (24) | 10 (23) | 14 (25) | 1.00 |
| Fistula | 45 (46) | 22 (51) | 23 (41) | 0.43 |
| Time from imaging to drainage (median [IQR]) | 1.5 [0.0, 6.0] | 1.0 | 2.0 [0.0, 6.0] | 0.77 |
| Time from drainage to surgery, days (median [IQR]) | 22 [11, 40] | 4 | 22 [14, 40] | 0.12 |
| Operative characteristics | ||||
| Time from imaging to surgery, days (median [IQR]) | 10 [4, 26] | 3 [2, 5] | 23 [13, 44] | < 0.001 |
| Laparoscopic approach (%) | 92 (93) | 41 (95) | 51 (91) | 0.70 |
| Conversion (%) | 15 (16) | 6 (15) | 9 (18) | 0.92 |
| Concurrent procedures (%) | 48 (49) | 19 (44) | 29 (52) | 0.58 |
| Diverting stoma (%) | 6 (6) | 5 (12) | 1 (2) | 0.08 |
| Duration, minutes (median [IQR]) | 129 [108, 168] | 127 [112, 160] | 133 [106, 176] | 0.90 |
| Blood loss, mL (median [IQR]) | 75 [50, 150] | 75 [50, 150] | 75 [50, 100] | 0.45 |
| Length of ileal resection, cm (median [IQR]) | 22.2 [15.0, 39.3] | 25.0 [17.0, 48.0] | 22.0 [15.0, 36.0] | 0.51 |
| Postoperative outcomes | ||||
| Length of stay, days (median [IQR]) | 5 [4, 7] | 5 [5, 7] | 5 [4, 7] | 0.47 |
| Any complication (%) | 22 (22) | 12 (28) | 10 (18) | 0.34 |
| Intraabdominal abscess | 4 (4) | 1 (2) | 3 (5) | 0.63 |
| Major complication (%) | 3 (3) | 1 (2) | 2 (4) | 1.00 |
| 30-day readmission (%) | 6 (6) | 3 (7) | 3 (5) | 1.00 |
| Follow-up, months (median [IQR]) | 14.6 [1.3, 24.9] | 14.6 [0.7, 26.8] | 14.6 [2.8, 24.0] | 0.89 |
| Subsequent surgerya (%) | 5 (5) | 2 (5) | 3 (5) | 1.00 |
Statistics presented as Median (IQR) or N (%)
aSubsequent surgery: ileocolic resection (n = 4), small bowel resection (n = 1)