Recovery and the use of postoperative physical therapy after total hip or knee replacement

Groot, L.; Latijnhouwers, D. A. J. M.; Reijman, M.; Verdegaal, S. H. M.; Vliet Vlieland, T. P. M.; Gademan, M. G. J.

doi:10.1186/s12891-022-05429-z

BMC Musculoskeletal Disorders

Table 4 Association of recovery and duration of postoperative physical therapy in total knee arthroplasty patients 6 months after surgery

From: Recovery and the use of postoperative physical therapy after total hip or knee replacement

	Model 1 Multivariable OR [ 95% CI]	Model 1 + Musculoskeletal comorbidities OR [ 95% CI]	Model 1 + Non-musculoskeletal comorbidities OR [ 95% CI]	Model 1 + Sensory Impairments OR [ 95% CI]	Model 1 + frequency comorbidities OR [ 95% CI]
KOOS ADL	0.97 [0.97 – 0.98]	0.99 [0.98 – 1.00]	0.98 [0.96 – 1.00]	0.97 [0.96 – 0.98]	0.97 [0.96 – 0.99]
Comorbidity	NA	5.78 [1.21 – 27.67]	1.64 [0.24 – 11.04]	1.41 [0.12 – 17.14]	0.94 [0.64 – 1.41]
ADL x comorbidity	NA	0.98 [0.96 – 1.00]	0.99 [0.97 – 1.01]	0.99 [0.96 – 1.03]	1.00 [1.00 – 1.01]
KOOS Pain	0.97 [0.96 – 0.98]	0.99 [0.97 – 1.00]	0.98 [0.97 – 1.00]	0.97 [0.96 – 0.98]	0.98 [0.96 – 0.99]
Comorbidity	NA	6.17 [1.23 – 30.92]	3.95 [0.66 – 23.60]	0.83 [0.06 – 2.32]	1.13 [0.72 – 1.76]
Pain x comorbidity	NA	0.98 [0.96 – 1.00]	0.98 [0.96 – 1.00]	1.00 [0.97 – 1.03]	1.00 [0.99 – 1.00]
KOOS Symptoms	0.97 [0.96 – 0.98]	0.98 [0.97 – 1.00]	0.97 [0.95 – 0.99]	0.97 [0.96 – 0.98]	0.97 [0.96 – 0.99]
Comorbidity	NA	3.55 [0.76 – 16.60]	0.93 [0.18 – 4.91]	5.56 [0.24 – 131.75]	1.04 [0.70 – 1.55]
Symptoms x comorbidity	NA	0.99 [0.97 – 1.01]	1.00 [0.98 – 1.02]	0.97 [0.93 – 1.02]	1.00 [0.99 – 1.00]
KOOS Sport and Recreation	0.98 [0.98 – 0.99]	0.99 [0.98 – 0.99]	0.98 [0.97 – 0.99]	0.98 [0.98 – 0.99]	0.98 [0.97 – 0.99]
Comorbidity	NA	0.98 [0.53 – 1.82]	0.92 [0.47 – 1.78]	1.24 [0.45 – 3.42]	0.93 [0.79 – 1.08]
Sport and Recreation x comorbidity	NA	1.00 [0.99 – 1.01]	1.00 [0.99 – 1.01]	0.98 [0.96 – 1.01]	1.00 [1.00 – 1.00]
KOOS Quality of life	0.98 [0.97 – 0.98]	0.99 [0.98 – 1.00]	0.98 [0.97 – 0.99]	0.98 [0.97 – 0.99]	0.98 [0.97 – 0.99]
Comorbidity	NA	2.27 [0.82 – 6.29]	0.90 [0.29 – 2.80]	1.05 [0.23 – 4.76]	1.00 [0.78 – 1.30]
Quality of life x comorbidity	NA	0.99 [0.97 – 1.00]	1.00 [0.98 – 1.02]	1.00 [0.97 – 1.02]	1.00 [1.00 – 1.00]

ADL = Activities of daily living; KOOS = Knee disability and Osteoarthritis Outcome Score; TKA = total knee arthroplasty
Model 1: long duration of PT = bo + b1x (KOOS score) adjusted for BMI, age, sex, living status, Short Form-12 Mental Component Summary scale and KOOS score baseline
In the other models comorbidities (musculoskeletal, non-musculoskeletal or sensory impairment and the frequency of comorbidities) and their interaction with recovery were also taken into account

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