Table 1

Demographic and clinical characteristics of pre-ACS and post-ACS patients with UGIH

CharacteristicsPre-ACS (n=162)
Mean (95% CI) or n (%)
Post-ACS (n=259)
Mean (95% CI) or n (%)
P value
Demographic data
 Age (years)51 (49 to 53)53 (52 to 55)0.031*
 Male131 (81)187 (72)0.048†
Initial vital signs
 SBP105 (100 to 110)111 (107 to 114)0.038*
 Diastolic blood pressure61 (58 to 64)69 (66 to 71)<0.001*
 HR101 (97 to 106)99 (96 to 102)0.378*
 Hemodynamic status0.001†
  Stable (HR<100 and SBP≥100)29 (18)87 (34)
  Tachycardia (HR≥100)63 (39)89 (34)
  Hypotension (SBP<100)70 (43)83 (32)
Laboratory results
 Hemoglobin6.6 (6.2 to 7.0)7.7 (7.3 to 8.0)<0.001*
 Hematocrit19.7 (18.7 to 20.7)22.8 (21.9 to 23.7)<0.001*
 Platelet129 (117 to 142)×103133 (123 to 143)×1030.702*
 PT28.4 (23.6 to 33.2)19.9 (18.3 to 21.6)<0.001*
 PTT49.6 (41.2 to 58.1)36.1 (32.6 to 39.7)0.001*
 INR2.5 (2.0 to 3.0)1.7 (1.6 to 1.9)<0.001*
 BUN28.1 (25.1 to 31.0)32.1 (29.1 to 35.1)0.078*
 Creatinine1.5 (1.3 to 1.7)1.4 (1.2 to 1.6)0.733*
 eGFR77.9 (70.9 to 84.8)84.9 (78.9 to 90.9)0.140*
Comorbidities
 Chronic kidney disease61 (38)86 (33)0.401†
 Hepatic failure (preadmission)5 (3)4 (2)0.315†
 Cirrhosis126 (78)183 (71)0.114†
 Hepatitis21 (13)45 (17)0.271†
 Hypertension23 (14)55 (21)0.073†
 Diabetes20 (12)49 (19)0.080†
 Dyslipidemia2 (1)10 (4)0.141†
 Stroke2 (1)8 (3)0.329†
 Cardiovascular comorbidities‡5 (3)7 (3)>0.999†
Pre-endoscopic Rockall Score3.7 (3.5 to 3.9)3.4 (3.3 to 3.6)0.030*
  • *Unpaired t-test.

  • †Fisher’s exact test.

  • ‡Cardiovascular comorbidities included myocardial infarction, heart failure, hypertensive heart diseases and heart conductive disorders.

  • ACS, acute care surgery; BUN, blood urea nitrogen; eGFR, estimated glomerular filtration rate; HR, heart rate; INR, international normalized ratio; PT, prothrombin time; PTT, partial thromboplastin time; SBP, systolic blood pressure; UGIH, upper gastrointestinal hemorrhage.