| |
Two years
|
Five years
|
|---|
| |
ORa
|
95% CI
|
P-value
|
ORa
|
95% CI
|
P-value
|
|---|
|
Limitations in walkingb
| | | | | | |
|
Osteoarthritis
|
0.7
|
(0.4,1.2)
|
0.21
|
0.8
|
(0.4,1.5)
|
0.43
|
|
AVN
|
0.8
|
(0.4,1.7)
|
0.63
|
0.8
|
(0.4,1.8)
|
0.62
|
|
Other
|
1.3
|
(0.6,2.7)
|
0.55
|
1.2
|
(0.5,3.1)
|
0.67
|
|
Limitations in climbing stairsb
| | | | | | |
|
Osteoarthritis
|
0.6
|
(0.3,1.0)
|
0.07
|
0.5
|
(0.3,0.9)
|
0.03
|
|
AVN
|
0.5
|
(0.3,1.1)
|
0.07
|
0.5
|
(0.2,1.0)
|
0.049
|
|
Other
|
1.0
|
(0.5,2.1)
|
0.95
|
0.9
|
(0.4,2.2)
|
0.80
|
|
Limitations in putting on socks/shoesb
| | | | | | |
|
Osteoarthritis
|
0.7
|
(0.4,1.1)
|
0.12
|
0.7
|
(0.4,1.3)
|
0.27
|
|
AVN
|
0.5
|
(0.3,0.9)
|
0.03
|
0.9
|
(0.4,1.8)
|
0.72
|
|
Other
|
1.6
|
(0.8,3.2)
|
0.16
|
2.0
|
(1.0,4.4)
|
0.07
|
|
Limitations in picking up objectsb
| | | | | | |
|
Osteoarthritis
|
0.7
|
(0.4,1.1)
|
0.10
|
0.6
|
(0.3,1.1)
|
0.09
|
|
AVN
|
0.6
|
(0.3,1.1)
|
0.08
|
0.8
|
(0.4,1.6)
|
0.50
|
|
Other
|
1.1
|
(0.6,2.3)
|
0.73
|
1.5
|
(0.7,3.3)
|
0.30
|
|
Limitations in getting in/out of carb
| | | | | | |
|
Osteoarthritis
|
1.0
|
(0.5,2.0)
|
0.98
|
0.8
|
(0.4,1.6)
|
0.53
|
|
AVN
|
0.9
|
(0.4,2.0)
|
0.78
|
0.9
|
(0.4,2.1)
|
0.84
|
|
Other
|
1.1
|
(0.4,2.9)
|
0.80
|
1.5
|
(0.6,3.7)
|
0.36
|
|
Limitations in rising from chairb
| | | | | | |
|
Osteoarthritis
|
0.4
|
(0.2,0.9)
|
0.03
|
1.0
|
(0.4,2.5)
|
0.99
|
|
AVN
|
0.4
|
(0.2,0.9)
|
0.04
|
1.3
|
(0.4,3.8)
|
0.66
|
|
Other
|
0.7
|
(0.3,2.2)
|
0.59
|
1.4
|
(0.4,4.9)
|
0.56
|
|
Limitations in sittingb
| | | | | | |
|
Osteoarthritis
|
N/A
| | |
N/A
| | |
|
AVN
| | | | | | |
|
Other
| | | | | | |
-
aReference category is rheumatoid arthritis/inflammatory arthritis; bAdjusted for 16 additional covariates/confounders: age, gender, BMI, Deyo-Charlson comorbidity score, ASA class, distance from the medical center, cement fixation, preoperative limitation in seven activities, anxiety and depression; N/A, not applicable, since the model did not run for sitting, due to too few cases. ADL, activities of daily living; ASA, American Society of Anesthesiologists; AVN, avascular necrosis of bone; BMI, body mass index; CI, confidence interval; OR, odds ratio; RA, rheumatoid arthritis; THA, total hip arthroplasty.
