Retrospective Cohort Study
Copyright ©The Author(s) 2020.
World J Gastroenterol. Jun 28, 2020; 26(24): 3447-3457
Published online Jun 28, 2020. doi: 10.3748/wjg.v26.i24.3447
Table 1 Patient characteristics
CharacteristicsDataRange
Number of participants1147
Gender (Male/female)100%/0%
Age1 (yr, median)64.154.0-77.5
Median follow-up time (yr)13.716 (d)-27.3
Number of smoked cigarettes per day1 (Median)20.05.0-50.0
Smoking years1 (Median)38.03.0-57.0
Helicobacter pylori1 (Positive histology)28.2%