Observational Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Oct 28, 2017; 23(40): 7310-7320
Published online Oct 28, 2017. doi: 10.3748/wjg.v23.i40.7310
Table 3 Comparison of gastric emptying scintigraphy results at different morphine equivalents per day in gastroparesis patients on chronic opioids using analysis of variance
Gastric emptying scintigraphy1st quartile (≤ 22.5 mg of morphine equivalents per day)2nd quartile (> 22.5 mg/d, and ≤ 60 mg/d)3rd quartile (> 60 mg/d, and ≤ 112.5 mg/d)4th quartile(> 112.5 mg/d)P value
Retention at 2 h (mean ± SEM)68% ± 6%54% ± 8%84% ± 5%60% ± 9%0.157
Retention at 4 h (mean ± SEM)31% ± 7%21% ± 8%37% ± 10%36% ± 19%0.678