Table 2

Appraisal of Choosing Wisely Canada patient materials (n=24) using IPDASi V.4.0

Item		Check-ups37	Preventing infections48	Lower back pain38	Bone-density tests39	Colonoscopy40	Electrocardiogram41	Pap tests42	Low-risk prostate cancer43	Heart tests before surgery44	Laboratory tests before surgery45	Vitamin D tests46	Chronic kidney disease25	Feeding tubes26	Dementia27	End of life28	Imaging tests for headaches47	GERD29	Osteoarthritis30	Pain medicines31	Palliative care32	Sinusitis33	Insomnia and anxiety34	ED35	UTIs36	Total
Qualifying criteria
1.1.1	Describes health condition or problem	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	24
1.1.2	Explicitly states the decision that needs to be considered								√				√	√												3
1.1.3	Describes the options available	√		√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√		√	√	√	√	22
1.1.4	Describes the positive features (benefits/advantages) of each option		√	√	√	√	√	√	√	√	√	√	√	√		√				√	√	√	√		√	18
1.1.5	Describes the negative features (harms, side effects, or disadvantages) of each option	√	√	√	√	√	√	√		√	√	√	√	√	√		√	√	√	√		√	√	√	√	21
1.2.1	Describes what it is like to experience the consequences of the options (physical, psychological, social)					√			*√				√	√	√	√					*√	√	√	√	√	11
Certification criteria
2.1.1	Shows the negative and positive features of options in equal detail																									0
2.2.1	Provides citations to the evidence selected†																									0
2.2.2	Provides a publication date	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	24
2.2.3	Provides an update policy																									0
2.2.4	Provides information about the levels of uncertainty around event or outcome probabilities	√	√	√	√	√	√	√	√	√	√		√	√	√		√	√	√		√	√	√		√	20
2.3.1	Provides information about the funding source used for development	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	√	24
2.4.1	Describes what the test is designed to measure	√	N/A		√	√	√	√	√	√	√	√	N/A	N/A	N/A	N/A	√	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	10
2.4.2	Describes the next steps typically taken if the test detects the condition	√	N/A		√	√	√	√	√	√	√	√	N/A	N/A	N/A	N/A	√	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	10
2.4.3	Describes the next steps if the condition is not detected		N/A		√	√							N/A	N/A	N/A	N/A		N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	2
2.4.4	Has information about the consequences of detecting the condition that would never have occurred if screening had not been done (lead time bias)	√	N/A	√			√	√		√	√	√	N/A	N/A	N/A	N/A	√	N/A	N/A	N/A	N/A	N/A	N/A	N/A	N/A	8
		9	6	8	10	11	10	10	10	10	10	9	9	9	7	6	9	6	6	6	6	8	8	6	8

*Included explicit preferences and values clarification.
†Or associated information.
ED, erectile dysfunction; GERD, gastro-oesophageal reflux; IPDASi, modified International Patient Decision Aid Standards; N/A, not applicable; UTI, urinary tract infection.