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 3 Association of recovery and duration of postoperative physical therapy in total hip 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]
HOOS ADL	0.97 [0.96 – 0.98]	0.96 [0.95 – 0.98]	0.95 [0.93 – 0.97]	0.97 [0.96 – 0.98]	0.96 [0.95 – 0.98]
Comorbidity	NA	0.15 [0.03 – 0.87]	0.71 [0.01 – 0.59]	0.23 [0.03 – 2.20]	0.70 [0.99 – 1.01]
ADL x comorbidity	NA	1.02 [1.00 – 1.04]	1.03 [1.01 – 1.06]	1.02 [0.99 – 1.05]	1.01 [1.00 – 1.01]
HOOS Pain	0.97 [0.97 – 0.98]	0.97 [0.96 – 0.99]	0.94 [0.91 – 0.96]	0.97 [0.96 – 0.98]	0.96 [0.95 – 0.97]
Comorbidity	NA	0.62 [0.10 – 3.75]	0.01 [0.001 – 0.17]	0.23 [0.02 – 2.71]	0.58 [0.38 – 0.88]
Pain x comorbidity	NA	1.01 [0.99 – 1.03]	1.05 [1.02 – 1.08]	1.02 [0.99 – 1.05]	1.01 [1.00 – 1.01]
HOOS Symptoms	0.98 [0.97—0.98]	0.97 [0.96 – 0.99]	0.96 [0.94 – 0.97]	0.98 [0.97 – 0.98]	0.97 [0.96 – 0.98]
Comorbidity	NA	0.39 [0.10 – 1.45]	0.19 [0.04 – 0.82]	0.52 [0.08 – 3.34]	0.72 [0.53 – 0.98]
Symptoms x comorbidity	NA	1.01 [0.96 – 1.03]	1.03 [1.0 – 1.04]	1.01 [0.99 – 1.04]	1.01 [1.00 – 1.01]
HOOS Sport and Recreation	0.99 [0.98 – 0.99]	0.98 [0.97 – 0.99]	0.98 [0.97 – 0.99]	0.99 [0.98 – 0.99]	0.98 [0.98 – 0.99]
Comorbidity	NA	0.39 [0.17 – 0.85]	0.74 [0.32 – 1.67]	0.52 [0.16 – 1.67]	0.90 [0.74 – 1.09]
Sport and Recreation x comorbidity	NA	1.02 [1.00 – 1.03]	1.01 [1.00 – 1.02]	1.02 [1.00 – 1.04]	1.00 [0.99 – 1.01]
HOOS Quality of life	0.98 [0.97 – 0.98]	0.97 [0.96 – 0.99]	0.97 [0.95 – 0.98]	0.98 [0.97 – 0.98]	0.96 [0.96 – 0.98]
Comorbidity	NA	0.64 [0.20 – 1.99]	0.99 [0.99 – 1.00]	0.51 [0.09 – 3.06]	0.73 [0.56 – 0.96]
Quality of life x comorbidity	NA	1.01 [0.99 – 1.02]	1.02 [1.00 – 1.03]	1.01 [0.99 – 1.04]	1.01 [1.00 – 1.01]

ADL = Activities of daily living; HOOS = Hip disability and Osteoarthritis Outcome Score; THA = total hip arthroplasty
Model 1: long duration of PT = bo + b1x (HOOS score) adjusted for BMI, age, sex, living status, and Short Form-12 Mental Component Summary scale and HOOS 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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