Retrospective Cohort Study
Copyright ©The Author(s) 2018.
World J Gastroenterol. Sep 14, 2018; 24(34): 3908-3918
Published online Sep 14, 2018. doi: 10.3748/wjg.v24.i34.3908
Table 4 Comparison between the severe and non-severe groups in the elderly group
Elderly group (n = 436)
Univariate analysis
Multivariate analysis
Severe cases (n = 51)Non-severe cases (n = 385)P valueOR (95%CI)P value
Mean age (yr)79.078.80.846
Sex (male:female)64.7% (33:18)61.8% (238:147)0.689
Mean length of hospital stay (d)
After endoscopic treatment21.923.50.699
Overall25.927.00.823
Hb (mg/L)76.381.40.113
Hb decrease (present:absent)70.0% (35:15)52.1% (198:182)0.0171.378 (0.693-2.74)0.361
Blood transfusion (present:absent)88.0% (44:6)62.4% (237:143)< 0.0013.592 (1.423-9.064)0.007
H. pylori infection (positive:negative)69.8% (30:13)78.9% (281:75)0.171
Forrest (I:II, III)45.1% (23:28)22.9% (88:297)0.0012.395 (1.065-4.537)0.007
Ulcer (multiple:single)31.4% (16:35)41.3% (159:226)0.174
HSE use21.6% (11:40)9.6% (37:348)0.0102.178 (0.975-4.862)0.058
DM29.4% (15:36)16.9% (65:320)0.0302.018 (1.002-4.063)0.049
Cardiac disease29.4% (15:36)34.5% (133:252)0.467
Cerebrovascular disorder27.5% (14:37)21.6% (83:302)0.342
Orthopedic disorder23.5% (12:39)21.3% (82:303)0.716
Respiratory disease21.6% (11:40)14.0% (54:331)0.155
Renal disease5.9% (3:48)14.0% (54:331)0.105
History of peptic ulcer23.5% (12:39)17.7% (68:317)0.309
Hypertension41.2% (21:30)45.7% (176:209)0.541
Preceding anti-ulcer medication52.9% (27:24)39.7% (153:232)0.072
Preceding PPI medication11.8% (6:45)11.7% (45:340)0.987