Retrospective Cohort Study
Copyright ©The Author(s) 2018.
World J Gastrointest Pharmacol Ther. Dec 5, 2018; 9(6): 55-62
Published online Dec 5, 2018. doi: 10.4292/wjgpt.v9.i6.55
Table 2 Comparison of duration of 48 patients with symptoms at diagnosis
Duration of symptoms prior to diagnosisn (%)
< 1 yr14 (29)
1-3 h12 (25)
> 3 yr22 (46)