Observational Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. Jan 7, 2015; 21(1): 318-325
Published online Jan 7, 2015. doi: 10.3748/wjg.v21.i1.318
Table 1 Long-term follow-up of the cohort n (%)
Follow-up length in yearsStudy groupControl group
1023 (88.4)29 (93.5)
1520 (76.9)26 (83.8)
2017 (65.3)19 (61.3)
2513 (50.0)9 (35.4)
305 (19.2)1 (3.2)
Total number of patients per group2631