. 2016 Aug 26;6(8):e011918. doi: 10.1136/bmjopen-2016-011918

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.