Table 2. Clinical characteristics and outcomes of chronic dialysis patients with surgical and nonsurgical treatments.
| Characteristics | All (N=43) |
Surgical (N=27) |
Nonsurgical (N=16) |
p-value | |
|---|---|---|---|---|---|
| Fever, n (%) | 21 (48.8) | 13 (48.1) | 8 (50.0) | 0.907 | |
| Type of abscess, n (%) | |||||
| Perianal | 37 (86.0) | 22 (81.5) | 15 (93.8) | 0.386* | |
| Ischiorectal | 3 (7.0) | 3 (11.1) | 0 (0.0) | 0.282* | |
| Intersphincteric | 2 (4.7) | 1 (3.7) | 1 (6.3) | 1.000* | |
| Supralevator | 1 (2.3) | 1 (3.7) | 0 (0.0) | 1.000* | |
| Fistula formation, n (%) | 17 (39.5) | 10 (37.0) | 7 (43.8) | 0.663 | |
| Microbiology, n (%) | 0.077* | ||||
| Mixed aerobic and anaerobic flora | 16 (37.2) | 13 (48.1) | 3 (18.8) | ||
| Gram-positive and Gram-negative aerobic bacteria | 3 (7.0) | 1 (3.7) | 2 (12.5) | ||
| Gram-positive aerobic bacteria only | 6 (14.0) | 4 (14.8) | 2 (12.5) | ||
| Gram-negative aerobic bacteria only | 3 (7.0) | 3 (11.1) | 0 (0.0) | ||
| Anaerobic bacteria only | 1 (2.3) | 0 (0.0) | 1 (6.3) | ||
| No culture result | 14 (32.6) | 6 (22.2) | 8 (50.0) | ||
| Laboratory examination | |||||
| White blood cell count, cells/ml | 14,519.05±7,204.28 | 13,253.33±4,520.09 | 15,222.22±8,331.00 | 0.403 | |
| Hemoglobin, g/dL | 10.21±1.83 | 9.91±1.91 | 10.38±1.80 | 0.427 | |
| C-reactive protein, mg/mL | 158.56±100.29 | 172.38±97.70 | 152.74±103.43 | 0.651 | |
| Albumin, g/dL | 3.07±0.53 | 3.20±0.82 | 3.00±0.35 | 0.626 | |
| Antibiotic treatment | 40 (93.0) | 25 (92.6) | 15 (93.8) | 1.000* | |
| Hospital stay, days | 20.70±21.11 | 19.33±23.87 | 23.00±15.87 | 0.588 | |
| In-hospital survival, n (%) | 36 (83.7) | 25 (92.6) | 11 (68.8) | 0.082* | |
| One-year survival, n (%) | 33 (76.7) | 23 (85.2) | 10 (62.5) | 0.137* | |
| One-year recurrence, n (%) | 5 (13.9) | 3 (12.0) | 2 (18.2) | 0.631* | |
*
Fisher's exact test.