Table 1 Preoperative patient characteristics

n

144

75

69

Age median [IQR]

72 [67, 79]

72 [67, 78]

72 [66, 79]

0.898^c

Female, n (%)

81 (56.2)

45 (60.0)

36 (52.2)

0.437^a

Self-efficacy (mean (SD))

4.03 (0.87)

4.03 (0.83)

4.01 (0.93)

0.935^a

Health-related willingness to take risk (mean (SD))

4.90 (2.40)

4.72 (2.36)

5.10 (2.43)

0.342^a

Future orientation (mean (SD))

6.30 (2.46)

6.28 (2.50)

6.32 (2.44)

0.924^c

Number of diseases, n (%)

0

25 (17.4)

13 (17.3)

12 (17.4)

0.135^b

1

38 (26.4)

15 (20.0)

23 (33.3)

2

31 (21.5)

15 (20.0)

16 (23.2)

3

19 (13.2)

10 (13.3)

9 (13.0)

> 4

32 (21.5)

22 (29.3)

9 (13.0)

BMI median [IQR]

26.9 [23.2, 30.1]

26.4 [22.0, 29.7]

27.5 [24.6, 30.4]

0.059^c

ASA score, n (%)

1

4 (2.8)

3 (4.0)

1 (1.4)

0.028^b

2

52 (36.1)

19 (25.3)

33 (47.8)

3

85 (59.0)

52 (69.3)

33 (47.8)

4

3 (2.1)

1 (1.3)

2 (2.9)

Previous THR/TKR, n (%)

Yes

52 (36.1)

24 (32.0)

28 (40.6)

0.370^b

Years of education, n (%)

≤ 9

60 (41.7)

31 (41.3)

29 (42.0)

0.296^b

10 - 11

35 (24.3)

14 (18.7)

21 (30.4)

12 - 13

10 (6.9)

6 (8.0)

4 (5.8)

> 13

39 (27.1)

24 (32.0)

15 (21.7)