Page 109 - The value of total hip and knee arthroplasties for patients

Patients’ pre-operative general and specific outcome expectations predict postoperative pain and function after total knee and total hip arthroplasties
Final prediction model for the outcome function (specific outcome expectations (HSS))
Variable
preoperative function
BMI
Mental health (SF-36 MSC)
Outcome expectations (HSS Knee Replacement Expectations subscale function)
R2 for the final model:0.251
B p
0.14 0.07 -1.07 0.00 0.47 0.00 0.12 0.61
95% CI
-1.64;-0.51 -0.01;0.30 0.22;0.72 -0.35;0.60
95% CI
Final prediction model for the outcome function (specific outcome expectations (HSS))
variable
BMI
Mental health
Outcome expectations (HSS Knee Replacement Expectations subscale pain)
R2 for the final model: 0.177
B p
-1.07 0.00 -1.70;-0.43
0.41 0.01 6.41 0.05
0.13;0.69 0.04;12.77
Final prediction model for the outcome function in which the specific outcome score was included
expectations (HSS)
6
Variable
Age
Baseline function (HOOS ADL)
Kellgren and Lawrence score
Outcome expectations (HSS Hip Replacement Expectations subscale function)
R2 for the final model:0.177
B p
-0.34 0.042 0.32 0.000 4.10 0.093 0.732 0.014
95% CI
-0.675 ; - 0.012 0.149 ; 0.485 -0.693 ; 8.886 0.014 ;1.449
Final prediction model for the outcome pain in which the specific outcome expectations (HSS) score was included
variable B p
Baseline function (HOOS ADL) 0.34 0.000 Kellgren and Lawrence score 3.89 0.075 Outcome expectations (HSS Hip Replacement Expectations subscale pain) 5.31 0.050 R2 for the final model: 0.183
95% CI
0.191;0.496 -0.399;8.185 -0.010;10.620
107