Table 1 Demographics and perioperative outcomes according to the disease stages
All (n:367) | Stage-I (n:71) | Stage-II (n:159) | Stage 2a (n:31) Stage 2b (n:128) | Stage-III (n:78) | Stage-IV (n:19) | Stage-R (n:40) | ||
|---|---|---|---|---|---|---|---|---|
Age (years) | 22 (18–47) | 23 (18–47) | 22 (18–45) | 2a: 19 (18–26) 2b: 22 (18–45) | 23 (18–45) | 22 (18–24) | 25 (18–46) | |
Sex | ||||||||
Male | 273 (74.4 %) | 57 (80.3 %) | 117 (73.6 %) | 2a: 19 (61 %) 2b: 98 (77 %) | 52 (66.7 %) | 19 (100 %) | 28 (70 %) | |
Female | 94 (25.6 %) | 14 (19.7 %) | 42 (26.4 %) | 2a: 12 (39 %) 2b: (23 %) | 26 (33.3 %) | - | 12 (30 %) | |
Body mass index (kg/m2) | 23.6 (18.2–41.6) | 24.2 (19.8–32) | 24.9 (18.2–41.6) | 2a: 25 (21.5–29.4) 2b: 24 (18.2–41.6) | 25.4 (21.5–41.6) | 25.1 (22.5–25.8) | 26.5 (19.3–36.2) | |
Duration of symptoms (months) | 12 (1–120) | 5 (1–18) | 12 (1–60) | 2a: 6 (1–24) 2b: 12 (1–60) | 12 (1–72) | 23 (8–120) | 6 (1–24) | |
Presence of abscess drainage history (n) | 39 (10.6 %) | 2 (2.8 %) | 6 (3.8 %) | 2a: 1 (3 %) 2b: 5 (4 %) | 22 (28.2 %) | 5 (26.3 %) | 4 (10 %) | |
Operative duration (minutes) | 28 (6–48) | 8 (6–11) | 28 (6–47) | 2a: 8 (6–9) 2b: 30 (21–47) | 29 (20–47) | 44 (38–45) | 33 (26–48) | |
Drain usage (n) | 93 (25.3 %) | 0 | 19 (11 %) | 2a:0 2b: 19 (15 %) | 28 (35.9 %) | 19 (100 %) | 27 (67.5 %) | |
Drain removal time (days) | 1 (1–3) | 0 | 1 (1–2) | 2a: 0 2b: 1 (1–2) | 1 (1–3) | 1 (1–3) | 1 (1–3) | |
Hospital stay (days) | 1 (0–4) | 0 | 1 (0–3) | 2a:0 2b: 1 (1–3) | 1 (1–4) | 2 (1–4) | 1 (1–3) | |