Table 2 Univariate analysis of variables associated with safe discharge
Variable | Safe discharge ( n  = 499) | Not safe for discharge ( n  = 299) | P -value |
|---|---|---|---|
Clinical demographics | |||
 Gender (n = 1110) | |||
  Female | 226 (45.3%) | 109 (36.5%) | 0.014 |
  Male | 273 (54.7%) | 190 (63.5%) | |
  Age (n = 798) | 66 (IQR 52–76) | 66 (IQR 52–76) | 0.135 |
 Medical history and medications | |||
  Previous LGITB admission (n = 798) | 441 (88.4%) | 226 (75.6%) |  < 0.001 |
  Presence of hypertension (n = 798) | 251 (50.3%) | 166 (55.5%) | 0.153 |
  Presence of diabetes (n = 798) | 94 (18.8%) | 85 (28.4%) | 0.002 |
  Presence of ischemic heart disease (n = 798) | 79 (15.8%) | 78 (26.1%) |  < 0.001 |
  Presence of chronic kidney disease (n = 798) | 56 (11.2%) | 32 (10.7%) | 0.820 |
  Presence of liver disease (n = 798) | 4 (0.8%) | 8 (2.7%) | 0.066 |
  Charlson Score (n = 798) | 3 (IQR 1–4) | 4 (IQR 2–5) |  < 0.001 |
  Usage of antiplatelets (n = 798) | 120 (24.0%) | 92 (30.8%) | 0.037 |
  Usage of anticoagulation (n = 798) | 25 (5.0%) | 21 (7.0%) | 0.238 |
 Signs and symptoms at presentation | |||
  DRE findings of blood (n = 784) | 315 (64.2%) | 248 (84.6%) |  < 0.001 |
  Presence of diarrhea (n = 796) | 73 (14.7%) | 35 (11.7%) | 0.245 |
  Presence of abdominal tenderness (n = 798) | 77 (15.4%) | 20 (6.7%) |  < 0.001 |
  Presence of syncope or dizziness (n = 759) | 80 (16.9%) | 139 (48.4%) |  < 0.001 |
  Days of symptoms (n = 769) | 1 (IQR 1–3) | 1 (IQR 1–3) | 0.839 |
 Vital signs and laboratory results at presentation | |||
  SBP at triage (n = 797) | 135.5 (IQR 120–154) | 121.0 (IQR 108–137) |  < 0.001 |
  DBP at triage (n = 797) | 79 (IQR 70–87) | 72 (IQR 65–79) |  < 0.001 |
  HR at triage (n = 797) | 81 (IQR 71–91) | 88 (IQR 76–99) |  < 0.001 |
  Initial Hb (n = 798) | 12.8 (IQR 11.4–14.1) | 9.3 (IQR 7.3–11.5) |  < 0.001 |
  TW count (n = 798) | 8.07 (IQR 6.38–10.46) | 8.50 (IQR 6.50–11.1) | 0.351 |
  Platelet count (n = 798) | 249 (IQR 205–298) | 263 (IQR 204–338) | 0.029 |
  INR levels (n = 724) | 0.96 (IQR 0.94–1.0) | 0.98 (IQR 0.95–1.03) |  < 0.001 |
  APTT levels (n = 706) | 27.3 (IQR 25.7–29.2) | 25.6 (IQR 23.2–28.2) |  < 0.001 |
  Urea levels (n = 797) | 5.10 (IQR 3.90–6.80) | 5.90 (IQR 4.40–8.10) |  < 0.001 |
  Bicarbonate levels (n = 797) | 22.5 (IQR 21.1–24.4) | 22.2 (IQR 20.4–23.6) | 0.002 |
  Creatinine levels (n = 797) | 74.0 (IQR 59–96) | 83.0 (IQR 64.0–103.0) |  < 0.001 |