Skip to main content

Table 3 Etiology of LGIB

From: A clinical predictive model for risk stratification of patients with severe acute lower gastrointestinal bleeding

  Total cohort n = 649 (%) Severe bleed n = 226 (%) Non-severe bleed n = 423 (%)
Haemorrhoids 236 (36.4) 56 (24.8) 180 (42.6)
Diverticular disease 211 (32.5) 106 (46.9) 105 (24.8)
Colorectal malignancy 98 (15.1) 32 (7.6) 66 (15.6)
Colitis 39 (6.0) 7 (3.1) 32 (7.6)
Radiation proctitis 21 (3.2) 6 (2.7) 15 (3.5)
SRUS 11 (1.7) 5 (2.2) 6 (1.4)
Postoperative bleedinga 9 (1.4) 3 (1.3) 6 (1.4)
Perianal diseaseb 4 (0.6) 1 (0.4) 3 (0.7)
Rectal prolapse 1 (0.1) 0 (0) 1 (0.2)
Abernathy lesion 1 (0.1) 1 (0.4) 0 (0)
Small bowel bleed 2 (0.3) 2 (0.9) 0 (0)
Unknown (includes AVM) 16 (2.4) 7 (3.1) 9 (2.1)
  1. SRUS solitary rectal ulcer syndrome, AVM arteriovenous malformation
  2. aPost-op bleeding (post-polypectomy, haemorrhoidectomy); bPerianal fissure, hematoma or fistula