Research Article

Early Identification of High-Risk Factors for Upper Gastrointestinal Bleeding

Table 2

Logistic analysis of clinical and laboratory characteristics for high-risk UGIB patients.

CharacteristicsEquationCox and Snell R2Nagelkerke R2Exp (R2)P

Sex−19.326 + 0.582 × sex − 1.877 × cirrhosis + 3.058 × red hematemesis × +2.215 × red stool + 0.855 × shock0.4340.5800.582 (sex)
−1.877(cirrhosis)
3.058 (hematemesis)
2.215 (red stool)
0.855 (shock)
−1.433 (constant)
< 0.001 (hematemesis)
< 0.001 (red stool)
0.012 (shock)
< 0.001 (constant)
NSAID
Corticosterioids
Hepatitis
Cirrhosis
HBP
Diabetes mellitus
Cardiovascular disease
Red hematemesis
Red stool
Weight loss
Palpation
Cold sweat
Syncope
Shock
Age4.501 – 0.115 × Hb + 0.230 × HCT + 0.005 × PLT + 0.106 × PT-0.0.037 × Albumin0.3280.4380.891(Hb)
1.259 (HCT)
0.995 (PLT)
1.112 (PT)
0.963 (albumin)
3.055 (constant)
<0.001 (Hb)
<0.001 (HCT)
<0.001 (PLT)
0.048 (PT)
0.028 (albumin)
< 0.001 (constant)
SBP
DBP
HR
Hb
HCT
PLT
PT
APTT
Albumin
BUN

APTT = activated partial thromboplastin time; BUN = blood urea nitrogen; DBP = diastolic blood pressure; Hb = hemoglobin; HCT = hematocrit; HR = heart rate; NSAID = non-steroidal anti-inflammatory drug; PLT = platelet cell; PT = prothrombin time; SBP = systolic blood pressure.