Table 5.

COSMIN Checklist scores evaluating methodological quality of each study per measurement property and PROM

	Measurement properties
	Reference	Content validity	Structural validity	Internal consistency	Reliability	Measurement error	Hypothesis testing	Criterion validity	Responsiveness	Cross‐cultural validity
Generic	EQ‐5D
	16						Fair
	17						Fair
	SF‐36
	16						Fair
	WHOQOL‐BREF
	18			Poor
Cancer generic	EORTC QLQ‐C30
	19						Good		Good
	17						Fair
	20						Fair
Bladder Cancer	BCI
	23						Fair
	22	Excellent	Good	Good	Fair		Fair
	16		Poor	Poor	Fair		Fair			Poor
	24			Fair			Fair
	25			Poor			Fair		Fair	Poor
	21						Poor
	FACT‐Bl
	16						Fair
	26			Poor
	27			Poor						Poor
	28		Poor
MIBC	FACT‐VCI
	29		Good	Good	Fair		Poor		Fair
	30	Poor		Poor	Fair		Fair
	31			Poor	Poor		Fair			Poor
	21						Poor
	IONB‐PRO
	32	Excellent	Fair	Fair		Poor	Fair
	EORTC QLQ‐BLM30
	17			Poor			Fair
	Untitled
	36	Excellent	Poor	Poor
	37			Poor
	38	Excellent								Poor
	35	Excellent	Poor	Poor						Poor
NMIBC	EORTC QLQ‐NMIBC24
	19			Poor			Good		Good
	34		Fair	Fair			Fair
	CAVICAVENMI
	33	Excellent	Good	Poor	Poor		Fair