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 2 Characteristics of the medicated vs non-medicated groups and the elderly vs non-elderly groups
Medicated group (n = 474)Non-medicated group (n = 631)P valueElderly group (n = 436)Non-elderly group (n = 669)P value
Mean age (yr)69.760.4< 0.00178.554.9< 0.001
Sex (male:female)352:122491:140< 0.001271:165552:117< 0.001
Hb (mg/L)82.691.1< 0.00180.891.9< 0.001
H. pylori infection (positive:negative)73.5% (324:117)89.3% (533:64)< 0.00177.9% (311:88)85.4% (546:93)0.002
Single ulcer61.4% (291:183)74.2 (468:163)< 0.00140.1% (175:261)25.6% (171:498)< 0.001
ForrestI25.7% (122:352)21.7% (137:494)0.11825.5% (11:325)22.1% (148:521)0.201
Anti-ulcer medication52.1% (247:227)17.3% (109:522)< 0.00141.3% (189:256)26.3% (176:493)< 0.001
Underlying disease
Cardiac disease43.0% (204:270)7.9% (50:581)< 0.00133.9% (148:288)15.8% (106:563)< 0.001
Cerebrovascular disorder25.9% (123:351)4.0% (25:606)< 0.00122.2% (97:339)7.6% (51:618)< 0.001
Renal disease16.5% (78:396)7.4% (47:584)< 0.00113.1% (57:379)10.2% (68:601)0.136
Respiratory disease13.5% (64:410)8.1% (51:580)0.00314.9% (65:371)7.5% (50:619)< 0.001
Orthopedic disorder28.9% (137:337)4.0% (25:606)< 0.00121.6% (94:342)10.2% (68:601)< 0.001
History of ulcer21.9% (104:370)28.7% (181:450)< 0.00118.3% (80:356)30.6% (205:464)< 0.001
Hypertension41.4% (196:278)25.9% (158:473)< 0.00145.2% (197:239)23.5% (157:512)< 0.001
DM21.7% (103:371)15.1% (95:536)0.00418.3% (80:356)17.6% (118:551)0.763