abnormal defecation AE
obstructive defecation AE
QY, JX, HY
https://pubmed.ncbi.nlm.nih.gov/18340532/
10076953
阻塞性排便
This is an AE which determined by self-report, was defined as difficulty in passing stool, hard stool, straining for more than 15 min, or incomplete evacuation, occurring at least weekly.