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Table 1 Characteristics and univariate analysis of patients with and without intraluminal bleeding included in the analysis

From: Incidence and risk factors for anastomotic bleeding in lower gastrointestinal surgery

Demographics With intraluminal bleeding (n = 7) Without intraluminal bleeding (n = 302) Fisher’s exact or Mann–Whitney U test
No. (%) or Mean ± SD No. (%) or Mean ± SD P value
Sex (female) 2 (28.6) 148 (49.0) .45
Age (years) 69 ± 7.4 64 ± 14.3 .33
Body Mass Index (BMI) 27.2 ± 3.6 28.6 ± 6.9 .58
Comorbidity
 History of cancer 1 (14.3) 45 (14.9) .99
 Coronary artery disease 3 (42.9) 34 (11.3) .04
 Peripheral vascular disease 0 (0) 24 (7.8) .56
 Hypertension 3 (42.9) 139 (46) .99
 Previous surgery 2 (28.6) 127 (42.1) .70
Surgery motive
 Cancer 7 (100) 169 (55.9) .02
 Diverticulosis 0 (0) 55 (18.2) .36
 Other 0 (0) 78 (25.8) .20
Surgical approach
 Laparoscopic 2 (28.6) 144 (47.6) .45
 Laparotomy 3 (42.9) 133 (44.0) .99
 Laparoscopy assisted surgery 2 (28.6) 25 (8.3) .12
  1. Italic values indicate significance of the p value (p < 0.05)