Table 2.

Quality of the evidence for content validity of the PROMs.

	PROM		Aspects of content validity
			Relevance		Comprehensiveness		Comprehensibility
		Reference number	Rating of results	Quality of evidence	Rating of results	Quality of evidence	Rating of results	Quality of evidence
DISABILITY	IBDDI-SR-8	44	+	M	+	M	+	M
	IBDDI-SR	44	+	M	+	VL	+	M
	IBDDI-14-s	42,43	+	M	+	VL	+	M
	CPWDQ	39	+	L	+	L	+	L
	IBD-DS	41	+	VL	+	VL	+	VL
	IBD-Disk	45	+	VL	+	VL	+	VL
	sCDWDQ	40	+	L	-	L	+	L
HR-QOL	CLIQ	83	+	M	+	L	+	M
	IBDQ-32	60–66	+	M	+	L	+	M
	IBDQ-30	69,70	+	L	+	L	+	M
	IBDQ-N	68	+	L	+	L	+	M
	IBDQ-36	74	+	L	+	M	+	L
	IBDQ-5L	71	+	L	+	L	+	L
	sIBDQ-10	72	+	L	+	L	+	L
	IBD-QOL	77	+	L	+	L	+	L
	CUCQ-32	78,79	+	VL	+	VL	+	VL
	CUCQ-8	78	+	VL	+	VL	+	VL
	PQoLQ	75	+	VL	+	VL	+	VL
	SHS	81	+	VL	+	VL	+	VL
	IBDQ-D	73	+	M	-	M	+	M
	sIBDQ-9	67	+	L	-	L	+	L
	HSS-CD	80	±	VL	-	VL	+	VL
	HSS-UC	80	±	VL	-	VL	+	VL
	Func-QoL	82	?	VL	-	VL	?	VL
	EIBDQ	78	-	VL	-	VL	-	VL
DISEASE ACTIVITY	IBD-C	59	+	L	+	L	+	L
	MIBDI	57	+	VL	+	VL	+	VL
	MIAH-CD	53	+	VL	+	VL	+	VL
	IBDSI-LF	58	+	VL	+	VL	+	VL
	IBDSI-SF	58	+	VL	+	VL	+	VL
	GIBDI-CD	56	+	VL	+	VL	+	VL
	GIBDI-UC	56	+	VL	+	VL	+	VL
	HBImApp	55	+	VL	-	M	+	M
	p-HBI	54	+	VL	-	VL	+	M
	p-SCCAI	46	+	VL	-	VL	+	M
	s-SCCAI	48	+	VL	-	VL	+	M
	CD Burden	86	±	VL	+	VL	+	VL
	mHI-CD	51	+	VL	-	VL	+	VL
	mHI-UC	51	+	VL	-	VL	+	VL
	MIAH-UC	53	+	VL	-	VL	+	VL
	SRS	50	+	VL	-	VL	+	VL
	6-point score	49	±	VL	-	VL	±	VL
	PRUCSI	47	±	VL	-	VL	±	VL
	VAS-UC	52	±	VL	+	VL	?	VL

Rating of results: Sufficient (+); Insufficient (-); Inconsistent (±); Inderterminate (?). Quality of evidence: H: high; M: moderate; L: low; VL: very low.