Table 2 Demographic information, preoperative biochemical and radiological variables
Variables | Entire cohort N 128 | Control group N 87 | Ischemic group N 41 | P value |
|---|---|---|---|---|
Sex, n (%) | ||||
Male | 65 (51%) | 47 (54%) | 18 (43%) | Ns |
Female | 63 (49%) | 40 (46%) | 23 (57%) | Â |
Age, median (IQR) | 73.5 (62.2–81) | 71 (58–81) | 77 (68–81) | Ns |
ASA score ≥ 3, n (%) | 66 (52%) | 38 (44%) | 28 (68%) | 0.02 |
Charlson Comorbidity Index, median (IQR) | 5 (2–8) | 5 (3–7) | 6 (3–8) | Ns |
Systemic Inflammatory Response Syndrome, n (%) | 14 (11%) | 9 (11%) | 5 (12%) | Ns |
Time from onset of occlusive symptoms, days, median (IQR) | 1 (1–3) | 1 (1–3) | 1 (1-3.7) | Ns |
Prior abdominal surgery, median (IQR) | 1 (1–2) | 1 (1–2) | 1 (1–2) | Ns |
Abdominal quadrants with pain involvement, median (IQR) | 3 (1–7) | 2 (1–4) | 3 (2–7) | Ns |
Duration of symptoms before admission, hours, median (IQR) | 13 (8–23) | 12 (8–21) | 15 (8–25) | Ns |
Time from admission to operating room, hours, median (IQR) | 15 (9–36) | 17 (9–48) | 12 (8–26) | Ns |
Timing of blood samples before surgery, hours, median (IQR) | 9 (6-10.5) | 10 (6–11) | 7 (5-9.5) | Ns |
White blood cells count, x10^9, median (IQR) | 10.1 (6.7–13.8) | 9.5 (6.7–13.1) | 11.3 (8.2–16.7) | Ns |
Neutrophils count, x10^9, median (IQR) | 7.7 (4.8–11.5) | 7.4 (4.6–10.8) | 8.7 (5.1–11.9) | Ns |
Lymphocytes count, x10^9, median (IQR) | 1.1 (0.7–1.4) | 1.3 (0.9–1.9) | 1.1 (0.7–1.3) | Ns |
Hemoglobin, g/dL, median (IQR) | 13.8 (12.7–15.4) | 14 (12.8–15.3) | 13.7 (12.3–15.6) | Ns |
Platelets count, x10^9, median (IQR) | 238 (188–292) | 231 (199–281) | 259 (164–310) | Ns |
C-reactive protein, median (IQR) | 15.5 (4.5–58) | 11.9 (4.5–51.4) | 31 (4-125) | Ns |
Lactate, median (IQR) | 1.4 (1-2.5) | 1.2 (1-2.1) | 2 (1.1–3.3) | Ns |
NLR, median (IQR) | 6.6 (3.9–10.9) | 5.6 (3.6–8.8) | 10.6 (6.6–13.3) | 0.002 |
PLR, median (IQR) | 202 (140–268) | 196 (136.4-265.3) | 216 (160–280) | Ns |
Bowel wall thickening > 3 mm, yes, n (%) | 30 (23%) | 18 (21%) | 12 (29%) | Ns |
Transition zone, yes, n (%) | 17 (13%) | 10 (11%) | 7 (17%) | Ns |
Pneumatosis, yes, n (%) | 10 (8%) | 6 (7%) | 4 (10%) | Ns |
Mesenteric haziness, yes, n (%) | 31 (24%) | 16 (18%) | 15 (37%) | 0.03 |
Whirl signs, yes, n (%) | 18 (14%) | 11(12%) | 7 (17%) | Ns |
Decreased bowel wall enhancement, yes, n (%) | 10 (8%) | 3 (3%) | 7 (17%) | 0.002 |
Free fluid, yes, n (%) | 86 (67%) | 53 (61%) | 33 (80%) | 0.03 |