Assertion: dialysis's risk | /r/HasProperty | unclear
Facets:
value: often
type: DEGREE
Source sentences:
text: The risk of bias domains were often unclear or high; risk of bias was judged to be low in 19 (49 %) studies for random sequence generation, 12 (31 %) studies for allocation concealment, 22 (56 %) studies for incomplete outcome reporting, and in 12 (31 %) studies for selective outcome reporting.