Table 2 Preliminary effectiveness outcomes

Knowledge, mean

n = 66

n = 66

71.2%

46.6%

High quality decision, n (%)

n = 55

n = 56

31 (56.4)

14 (25.0)

Uptake of chosen option at one year, n (%)

n = 69

n = 68

 TJA surgery

55 (79.7)

48 (70.6)

 No surgery

5 (7.2)

9 (13.2)

 Waiting list

8 (11.6)

10 (14.7)

 Died

1 (1.4)

1 (1.5)

Median total wait time from screening consultation to definitive decision

n = 69

n = 71

33.4 weeks

33.0 weeks

SURE test scores* prior to surgeon consultation, n (%)

n = 65

n = 66

 Feels SURE about best choice

47 (72.3)

53 (80.3)

 Knows the benefits and harm of each option

60 (92.3)

44 (66.7)

 Clear about which benefits and risks matter most

57 (87.7)

49 (74.2)

 Has enough support and advice to make choice

50 (76.9)

51 (77.3)

 TOTAL SURE score = 4

45 (69.2)

38 (57.6)

Preparation for decision making^†, mean (SD)

n = 66

n = 64

 Help recognize decision to be made

4.121 (1.209)

3.781 (1.253)

 Help know decision depends on what matters most

4.477 (0.850)

4.141 (1.096)

 Help think about how involved you want to be in decision

4.477 (0.812)

4.250 (1.054)

 Prepare you to talk to your doctor about what matters most

4.364 (0.905)

4.234 (1.035)