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Table 4 Severity outcome measures and therapeutic interventions

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

Variable Total cohort (n = 649) Severe bleed (n = 226) Non-severe bleed (n = 423) P value
Rebleeding during admission 106 (16.3) 106 (46.9) 0 (0)  < 0.001
Required blood transfusion 238 (36.7) 204 (90.3) 34 (8.0)  < 0.001
Blood transfusion within 24H 212 (32.7) 178 (78.8) 34 (8.0)  < 0.001
 ≥ 2 PCT 149 (23.0) 149 (65.9) 0 (0)  < 0.001
Median PCT (IQR) 0 (0–2) 2 (2–4) 0 (0)  < 0.001
Endoscopy 362 (55.8) 148 (65.5) 214 (50.6)  < 0.001
OGD 190 (29.3) 107 (47.3) 83 (19.6)  < 0.001
Colonoscopy 314 (48.4) 121 (53.5) 193 (45.6) 0.06
Sigmoidoscopy 42 (6.5) 21 (9.3) 21 (5.0) 0.033
Endoscopy < 24H 123 (19.0) 42 (18.6) 81 (19.1) 0.86
Surgery 48 (7.4) 23 (10.2) 25 (5.9) 0.048
Surgery < 24H 12 (1.8) 3 (1.3) 9 (2.1) 0.56
Angioembolisation 11 (1.7) 11 (4.9) 0 (0)  < 0.001
Angioembolisation < 24H 2 (0.3) 2 (0.9) 0 (0) 0.12
ICU stay < 24H 5 (0.8) 5 (2.2) 0 (0) 0.005
Median length of stay (IQR) 3 (2–5) 5 (3–7) 3 (2–4)  < 0.001
72H mortality 1 (0.2) 1 (0.4) 0 (0) 0.35
30 day mortality 3 (0.5) 3 (1.3) 0 (0) 0.042
  1. Values in parentheses are percentages
  2. PCT packed red blood cell transfusion, in units