Table 1 Basic characteristics and outcomes for patients grouped by the diameter of the largest abscess
From: Determinants of treatment and outcomes of diverticular abscesses
< 20 mm (n = 25) | 20–39 mm (n = 82) | 40–59 mm (n = 71) | 60–79 mm (n = 35) | ≥ 80 mm (n = 28) | p value | |
|---|---|---|---|---|---|---|
Basic characteristics | ||||||
Sex female | 17 (68%) | 48 (59%) | 43 (61%) | 18 (51%) | 19 (68%) | 0.64a |
Age, years, median (IQR) | 63 (57–68) | 59 (48–69) | 61 (50–73) | 65 (59–73) | 68 (58–77) | 0.13b |
WBC, × 109/l, median (IQR) | 11.4 (8.4–14.7) | 11.7 (9.5–14.5) | 12.0 (9.0–15.0) | 13.8 (7.2–16.0) | 13.2 (9.1–17.2) | 0.73b |
CRP, mg/l, median (IQR) | 139 (109–200) | 117 (80–159) | 131 (86–210) | 216 (106–273) | 190 (128–288) | 0.008b |
Earlier diverticulitis | 5 (20%) | 26 (32%) | 20 (28%) | 7 (20%) | 5 (18%) | 0.46a |
Multiple abscesses | 0 | 13 (16%) | 14 (20%) | 6 (17%) | 3 (11%) | 0.18a |
Charlson Comorbidity Index, median (IQR) | 2 (1–3) | 2 (1–3) | 2 (1–4) | 3 (1–5) | 3 (1–5) | 0.02b |
Glucocorticoid medication | 1 (4%) | 5 (6%) | 10 (14%) | 7 (20%) | 5 (18%) | 0.01c |
Pelvic abscess | 2 (8%) | 9 (11%) | 28 (39%) | 21 (60%) | 18 (64%) | < 0.001c |
Outcomes | ||||||
Antibiotics only as first-line treatment | 25 (100%) | 75 (91%) | 53 (75%) | 16 (46%) | 10 (36%) | < 0.001c |
Antibiotics only successful | 24 (96%) | 68 (91%), n = 75 | 43 (81%), n = 53 | 12 (75%), n = 16 | 3 (30%), n = 10 | < 0.001c |
Drainage attemptedd | 0 | 5 (6%) | 17 (24%) | 9 (26%) | 9 (32%) | < 0.001c |
Received draind | 0 | 0 | 9 (13%) | 2 (6%) | 7 (25%) | < 0.001c |
Aspiration onlyd | 0 | 2 (2%) | 2 (3%) | 3 (9%) | 1 (4%) | 0.18c |
Successful drainaged | 0 | 2 (100%), n = 2 | 9 (82%), n = 11 | 4 (80%), n = 5 | 5 (63%), n = 8 | 0.002c |
Operative treatmente | 1 (4%) | 12 (15%) | 17 (24%) | 17 (49%) | 20 (71%) | < 0.001c |
Hartmann | 0 | 8 | 8 | 10 | 12 | |
Primary anastomosis | 1 | 3 | 6 | 6 | 5 | |
Drainage operatively | 0 | 1 | 2 | 1 | 2 | |
Colectomy | 0 | 0 | 1 | 0 | 1 | |
Operative treatment as first line | 0 | 6 (7%) | 9 (13%) | 14 (40%) | 12 (43%) | < 0.001c |
Successful first line operative treatmentf | 0 | 6 (100%), n = 6 | 9 (100%), n = 9 | 8 (57%), n = 14 | 10 (83%), n = 12 | 0.15c |
30-day mortality | 0 | 1 (1%) | 3 (4%) | 7 (20%) | 1 (4%) | 0.01c |
Length of hospital stay, days, median (IQR) | 2 (1–3) | 3 (1–6) | 4 (3–9) | 6 (4–13) | 15 (6–25) | < 0.001b |