176 Chapter 7 Table 1 - Patient characteristics Variable Total (N = 2055) IH (N= 107) Count (%) (N=missing) Count (%) (N=missing) Male 1352 (66%) 67 (63%) Preterm birth 565 (28%) (N=420) 63 (59%) (N=12) Surgery for congenital anomaly1 1032 (50%) 60 (56%) Median age in days (range)1 47 (0 – 1095) 32 (0 – 754) Median weight in grams (range)1 3885 (515 – 17200) (N=1029) 3128 (1000 – 14000) (N=53) ASA score1 ASA 1 525 (25%) (N=715) 26 (24%) (N=6) ASA 2 513 (25%) 39 (36%) ASA 3 213 (10%) 29 (27%) ASA 4 83 (4%) 7 (7%) ASA 5 6 (1%) 0 Urgent procedure1 1055 (51%) 45 (42%) Laparotomy1 1616 (79%) (N=28) 91 (85%) (N=1) Received total parenteral feeding1 559 (27%) (N=179) 50 (47%) (N=9) Developed a wound infection1 118 (6%) (N=334) 23 (21%) (N=15) Had a history of stoma 429 (21%) 39 (36%) Median number of abdominal procedures (range) 1 (1-13) 2 (1-9) Median days of follow-up1 (range) 420 (0-8006) 1024 (8 – 7494) Died1 127 (6%) (N=10) 4 (4%) Median age at death (range) 86 (0-6988) 230 (132-6988) *1 At/following/since the main surgery Table 2 - Incisional hernia characteristics Variable Incisional hernia (N= 107) Count (%) Median days until hernia developed (range) 157 (0 – 4933) Early hernia 15 (14%) Hernia following laparoscopy 16 (15%) Mode of diagnosing: Ultrasound 12 (11%) Physical examination 95 (89%) Presentation: Incarceration 1 (1%) Pain/crying 17 (16%) Swelling only 73 (68%) Missing/unclear 16 (15%) Re-operated to resolve hernia 86 (80%) IH resolved by itself Count 16 (15%) Median days (range) 341 (7 – 1061) Recurrence of hernia 3 (4%)
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