Skip to main content

Table 2 Mean clinical parameters on admission

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
HR (SD) 83 (16) 86 (17) 81 (15) 0.009
  ≥ 100 91 (14.0) 51 (22.6) 40 (9.5)  
  < 100 558 (86.0) 175 (77.4) 383 (90.5)  < 0.001
SBP, mmHg (SD) 134.8 (25.3) 126 (27) 140 (23) 0.002
  < 90 16 (2.5) 14 (6.2) 2 (0.5)  
  ≥ 90 633 (97.5) 212 (93.8) 421 (99.5)  < 0.001
DBP, mmHg (SD) 72 (13) 66 (13) 75 (12) 0.001
MAP, mmHg (SD) 93 (16) 86 (16) 96 (14) 0.48
  < 65 14 (2.2) 11 (4.9) 3 (0.7)  
  ≥ 65 632 (97.4) 212 (93.8) 420 (99.3) 0.001
Hb, g/dL (SD) 11.3 (2.8) 9.1 (2.6) 12.5 (2.1)  < 0.001
  < 9 127 (19.6) 106 (46.9) 21 (5.0)  
  ≥ 9 521 (80.3) 120 (53.1) 401 (94.8)  < 0.001
Hct, % (SD) 34.4 (7.7) 28.5 (7.4) 37.6 (5.8)  < 0.001
  > 35 344 (53.0) 46 (20.4) 298 (70.4)  
  ≤ 35 304 (46.8) 180 (79.6) 124 (29.3)  < 0.001
AKI 216 (33.3) 102 (45.1) 114 (27.0)  < 0.001
Coagulopathy, INR ≥ 1.5 27 (4.2) 14 (6.2) 13 (3.1) 0.08
HCO3, mEq/L (SD) 23.9 (3.0) 22.8 (3.3) 24.5 (2.6) 0.003
 ≤ 19 45 (6.9) 29 (12.8) 16 (3.8)  
  > 19 594 (91.5) 193 (85.4) 401 (94.8)  < 0.001
Active PR bleed 227 (35.0) 99 (43.8) 128 (30.3) 0.001
Cardiovascular collapse 2 (0.3) 2 (0.9) 0 (0) 0.12
  1. HR heart rate, SBP systolic blood pressure, DBP diastolic blood pressure, MAP mean arterial pressure, Hb haemoglobin, Hct haematocrit, AKI acute kidney injury, INR international normalised ratio, HCO3 bicarbonate (acidosis)