|
Overall improvement
|
Pain
|
Function
|
Stiffness
|
Satisfaction
|
---|
|
E1/E2
|
Association individual studies
|
Quality score
|
N
|
Overall association
|
E1/E2
|
Association individual studies
|
Quality score
|
N
|
Overall association
|
E1/E2
|
Association individual studies
|
Quality score
|
N
|
Overall association
|
E1/E2
|
Association individual studies
|
Quality score
|
N
|
Overall association
|
E1/E2
|
Association individual studies
|
Quality score
|
N
|
Overall association
|
---|
Unadjusted associations
| | | | | | | | | | | | | | | | | | | | | | | | | |
≤ 6 weeks
| | | | | |
E2
|
r=−0.08 [36]
|
53%
|
100
|
O
|
E2
|
r=−0.05 [36]
|
53%
|
100
|
O
|
E1
|
r=0.165 ‡ [16]hips
|
39%
|
106
|
0
|
E1
|
OR=1.176 (ns)∫ [31]
|
61%
|
45
|
O
|
>6 weeks – ≤6 months
|
E2
|
r=0.13 [30]
|
79%
|
123
|
O
|
E1
|
r=0.118* [16]hips
|
39%
|
106
|
+−
|
E1
|
r=0.170†[16]hips
|
39%
|
106
|
+−
| |
r=−0.024 ‡ [16]knees
|
39%
|
106
| | |
OR=0.593 (ns)# [31]
| | | |
| | |
r=0.24 [32]
|
74%
|
272
| | |
r=0.188* [16]knees
|
39%
|
106
| | |
r=−0.208†[16]knees
|
39%
|
106
| | |
ns [15]
|
58%
|
222
| |
OR=1.000 (ns)∞ [31]
| | | |
| | | | | | |
p=0.001 [14]
|
58%
|
2350
| | |
p<0.001 [14]
|
58%
|
2350
| | |
p=0.46 [17]
|
74%
|
788
| | | | | | |
| | | | | | |
p<0.05 [15]
|
58%
|
222
| | |
ns [15]
|
58%
|
222
| | | | | | | | | | | |
| | | | | | |
p=0.62 [17]
|
74%
|
788
| | |
p=0.90 [17]
|
74%
|
788
| | | | | | | | | | | |
| | | | | |
E2
|
r=−0.12 [32]
|
74%
|
272
| |
E2
|
r=0.19 [30]
|
79%
|
123
|
O
| | | | | | | | | | |
| | | | | | | | | | | |
r=−0.19 [32]
|
74%
|
272
| | | | | | | | | | | |
> 6 months
|
E1
|
r=0.24 [27]
|
58%
|
146
|
+−
|
E1
|
p=0.012 [14]
|
58%
|
2350
|
+
|
E1
|
r=−0.547 [37]
|
6%
|
1302
|
+−
|
E1
|
OR= 1.23 (p<0.001) [34]
|
63%
|
1327
|
+
|
E1
|
r=−0.03 [24]
|
50%
|
44
|
+−
|
| |
p=0.70 ∏ [35]
|
50%
|
799
| | |
OR=1.17 (p<0.001) [34]
|
63%
|
1327
| | |
p<0.001 [14]
|
58%
|
350
| | | | | | | |
r=0.274 ∫[27]
|
58%
|
146
| |
| |
p=0.013 Ω [35]
|
50%
|
799
| | | | | | | |
p<0.001 [28]
|
44%
|
102
| | | | | | | |
r=0.262#[27]
|
58%
|
146
| |
| |
OR=1.36 (=0.013) [34]
|
63%
|
1327
| | | | | | | |
OR=1.25 (p<0.001) [34]
|
63%
|
1327
| | | | | | | |
r=0.102§ [27]
|
58%
|
146
| |
Adjusted associations
| | | | | | | | | | | | | | | | | | | | | |
p=0.171 ∫ [35]
|
50%
|
799
| |
≤ 6 weeks
|
E1
|
β0.23 (p0.10) [33]
|
68%
|
51
|
O
| | | | | |
E1
|
β 0.23 (p=0.11) [33]
|
68%
|
51
|
O
| | | | | | |
p=0.013 # [35]
|
50%
|
799
| |
| | | | | | | | | | |
E2
|
β 0.151 (ns) [36]
|
53%
|
100
|
O
| | | | | | | | | | |
>6 weeks – ≤6 months
|
E1
|
β-0.107(ns) [25]
|
58%
|
78
|
O
|
E1
|
β0.364 (p<.01)* [25]
|
58%
|
78
|
+−
|
E1
|
β 0.081 (ns) [25]
|
58%
|
78
|
+−
|
E1
|
ns [15]
|
58%
|
222
|
O
| | | | | |
| | | | | | |
β7.8 (p<.01) [15]
|
58%
|
222
| | |
ns [15]
|
58%
|
222
| | |
ns [17]
|
74%
|
788
| | | | | | |
| | | | | | |
ns [17]
|
74%
|
788
| | |
β 8.10 (p<0.01)∞ [15]
|
58%
|
222
| | | | | | | | | | | |
|
E2
|
β0.09 (ns) [30]
|
79%
|
123
|
0
| | | | | | |
ns § [17]
|
74%
|
788
| | | | | | | | | | | |
| |
β-0.193 (ns) [25]
| |
78
| |
E2
|
β-0.388 (p<.01)†[25]
|
58%
|
78
|
+−
|
E2
|
β0.18 [30]
|
78%
|
123
|
+−
| | | | | | | | | | |
| |
ns [32]
|
58%
|
272
| | |
OR=0.80§ [29]
|
68%
|
157
| | |
β-0.337 (p<0.05) [25]
|
58%
|
78
| | | | | | | | | | | |
| | |
74%
| | | |
ns [32]
|
74%
|
272
| | |
ns § [29]
|
68%
|
157
| | | | | | | | | | | |
| | | | | | | | | | | |
ns [32]
|
74%
|
272
| | | | | | | | | | | |
> 6 months
|
E1
|
ns [27]
|
58%
|
146
|
+−
|
E1
|
p<0.001‡ [14]
|
58%
|
2350
|
+−
|
E1
|
p>0.05‡ [14]
|
58%
|
2350
|
+−
|
E1
|
OR= 1.21 (p=0.003) [34]
|
63%
|
1327
|
+
|
E1
|
ns [26]
|
53%
|
598
|
O
|
| |
OR=1.34 (p = 0.04) [34]
|
63%
|
1327
| | |
p<0.05 [26]
|
52%
|
598
| | |
ns [26]
|
52%
|
598
| | | | | | | |
ns ∫ [27]
|
58%
|
146
| |
| | | | | | |
ns [17]
|
74%
|
788
| | |
ns [17]
|
74%
|
788
| | | | | | | |
ns #[27]
|
58%
|
146
| |
| | | | | | |
OR=1.14 (p=0.049) [34]
|
63%
|
1327
| | |
OR=1.20 (p<0.001) [34]
|
63%
|
1327
| | | | | | | |
ns § [27]
|
58%
|
146
| |
- E1 outcome expectations, E2 efficacy expectations, ns= non significant, + positive association between expectations and outcome (the higher the expectations the better the outcome), - negative association between expectations and outcome (the higher the expectations the worse the outcome), O no association between expectations and outcome, +− unclear association between expectations and outcomes, ∏ association between expectations about pain and overall improvement, Ω association between expectations about function and overall improvement *correlation between importance of expectations and WOMAC pain change score between baseline and 6 months after surgery, †correlation between importance of expectations and WOMAC function change score between baseline and 6 months after surgery, ‡ correlation between importance of expectations and WOMAC stiffness change score between baseline and 6 months after surgery, ∫ association between expectations about pain and satisfaction, # association between expectations about functional limitations and satisfaction, § association between expectations about recovery time and satisfaction, ∞ association between expectations about overall success and satisfaction.