|
(n = 132)
|
SF 12-PCS
|
SF 12-MCS
|
WOMAC-Index
|
---|
N (%)
|
Mean ± SD
|
P
|
Mean ± SD
|
P
|
Mean ± SD
|
P
|
---|
Age
| | |
0.318
| |
0.900
| |
0.925
|
< 65 years
|
42 (31.8)
|
34.4 ± 9.3
| |
48.2 ± 12.4
| |
45.9 ± 14.9
| |
≥ 65 years
|
90 (68.2)
|
36.1 ± 8.8
| |
48.0 ± 10.5
| |
45.6 ± 16.6
| |
Sex
| | |
0.040
| |
0.002
| |
< 0.001
|
Male
|
35 (26.5)
|
38.2 ± 9.4
| |
53.0 ± 10.8
| |
37.4 ± 14.3
| |
Female
|
97 (73.5)
|
34.6 ± 8.7
| |
46.3 ± 10.7
| |
48.7 ± 15.6
| |
Education
| | |
0.159
| |
0.001
| |
0.009
|
Low
|
86 (65.2)
|
34.8 ± 8.8
| |
45.8 ± 11.3
| |
48.4 ± 16.0
| |
High
|
46 (34.8)
|
37.1 ± 9.3
| |
52.3 ± 9.4
| |
40.7 ± 14.9
| |
BMI
| | |
0.001
| |
0.635
| |
0.074
|
< 30 kg/m2
|
87 (65.9)
|
37.4 ± 8.5
| |
48.4 ± 11.1
| |
43.9 ± 16.0
| |
≥ 30 kg/m2
|
45 (34.1)
|
31.9 ± 8.8
| |
47.4 ± 11.3
| |
49.2 ± 15.6
| |
Depressive symptoms (GDS ≥ 6)
| | |
0.005
| |
< 0.001
| |
< 0.001
|
No
|
102 (77.3)
|
36.6 ± 9.2
| |
51.1 ± 9.3
| |
42.7 ± 14.9
| |
Yes
|
30 (22.7)
|
31.9 ± 7.3
| |
37.7 ± 10.7
| |
55.8 ± 15.7
| |
Cognitive impairment (MMSE < 24)
| | |
0.883
| |
0.663
| |
0.529
|
No
|
121 (91.7)
|
35.5 ± 9.2
| |
48.2 ± 10.8
| |
45.4 ± 16.1
| |
Yes
|
11 (8.3)
|
35.9 ± 5.9
| |
46.6 ± 14.7
| |
48.6 ± 14.8
| |
Comorbidity
| | |
0.191
| |
0.033
| |
0.699
|
< 4 diseases
|
44 (33.3)
|
37.0 ± 8.9
| |
51.0 ± 10.4
| |
46.5 ± 17.9
| |
≥ 4 diseases
|
88 (66.7)
|
34.0.8 ± 9
| |
46.6 ± 11.2
| |
45.3 ± 15.1
| |
Current smoker
| | |
0.387
| |
0.828
| |
0.400
|
No
|
115 (87.1)
|
35.3 ± 9.1
| |
48.1 ± 10.7
| |
46.2 ± 15.9
| |
Yes
|
17 (12.9)
|
37.3 ± 7.7
| |
47.5 ± 13.7
| |
42.6 ± 16.6
| |
Current alcohol user
| | |
0.097
| |
0.101
| |
0.005
|
No
|
27 (20.5)
|
33.0 ± 8.0
| |
44.9 ± 10.6
| |
52.1 ± 11.5
| |
Yes
|
105 (79.5)
|
36.2 ± 9.1
| |
48.9 ± 11.1
| |
44.1 ± 16.6
| |
Surgery type
| | |
0.574
| |
0.159
| |
0.016
|
UKA
|
47 (35.6)
|
36.2 ± 8.2
| |
46.2 ± 11.0
| |
41.2 ± 13.8
| |
TKA
|
85 (64.4)
|
35.2 ± 9.4
| |
49.1 ± 11.1
| |
48.2 ± 16.7
| |
- Abbreviation: SD standard deviation, SF-12 Short-Form General Health Survey, PCS physical component scores, MCS mental component scores, WOMAC Western Ontario and McMaster Universities Arthritis Index, BMI Body Mass Index, GDS Geriatric Depression Scale, MMSE Mini-Mental State Examination, UKA unicompartmental knee arthroplasty, TKA total knee arthroplasty
- SF-12 (PCS, MCS) ranges from 0 [worst] to 100 [best]
- WOMAC-Index is normalised to 100, ranges from 0 [best] to 100 [worst]