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Table 3 Participants rating of sample materials

From: Exploring patient perspectives on EQ-5D-5L data visualization within an individualized decision aid for total knee arthroplasty (TKA) in Alberta, Canada

Comprehension

Part 1 (n=24)

Part 2 (n=25)

Version 1 n(%)

Version 2 n(%)

p value

Version 1 n(%)

Version 2 n(%)

p value

Understanding of message

      

 1 (I don’t understand this message)

1 (4.2)

1 (4.2)

0.5863*

0

0

0.5393*

 2

4 (16.7)

3 (12.5)

 

1 (4)

1 (4)

 

 3

6 (25.0)

8 (33.3)

 

7 (28)

5 (20)

 

 4

4 (16.7)

6 (25.0)

 

9 (36)

9 (36)

 

 5 (I completely understand this message)

9 (37.5)

6 (25.0)

 

8 (32)

9 (36)

 

 No response

   

0

1(4)

 

Clarity of instructions**

      

 Yes

23 (95.8)

 

25 (100)

24 (96)

 

 No

0

 

0

0

 

 Don’t know

1 (4.2)

 

0

0

 

 No response

  

0

1 (4)

 

Helps understand how patient compares

      

 Yes

23 (95.8)

21 (87.5)

 

14 (56)

23 (92)

 

 No

0

0

 

8 (32)

1 (4)

 

 Don’t know

1 (4.2)

2 (8.3)

 

2 (8)

1 (4)

 

 No response

0

1 (4.2)

 

1 (4)

0

 

Usefulness

      

Usefulness of information

      

 1 (Not useful at all)

1 (4.2)

2 (8.3)

0.7011*

1 (4)

0

0.4856*

 2

1 (4.2)

3 (12.5)

 

3 (12)

3 (12)

 

 3

10 (41.7)

7 (29.2)

 

6 (24)

6 (24)

 

 4

7 (29.2)

6 (25.0)

 

10 (40)

8 (32)

 

 5 (Very useful)

5 (20.8)

6 (25.0)

 

5 (20)

8 (32)

 

Visual Appeal

      

Visual appeal

      

 1 (Not visually appealing)

0

5 (20.8)

0.2906*

0

0

0.9226*

 2

5 (20.8)

2 (8.3)

 

3 (12)

4 (16)

 

 3

7 (29.2)

7 (29.2)

 

5 (20)

3 (12)

 

 4

7 (29.2)

7 (29.2)

 

9 (36)

11 (44)

 

 5 (Very visually appealing)

5 (20.8)

3 (12.5)

 

8 (32)

7 (28)

 

Preferred material

      

Overall

14 (58.3)

10 (41.7)

0.5403***

9 (36)

16 (64)

0.23201***

  1. *Wilcoxon signed rank test with continuity correction
  2. **Instructions were identical between versions for Part 1
  3. ***McNemar’s Chi-squared test with continuity correction