Quality of life assessment after total knee arthroplasty in patients with Parkinson’s disease

Table 4 Multivariate regression model with MCID (N = 60)

outcome	variable	OR [95% [CI]]	P
ΔEQ-5D > MCID	Preoperative EQ-5D	< 0.01 [< 0.01–0.02]	< 0.01*
	Follow-up (month)	0.97 [0.91–1.03]	0.48
	PD	0.07 [< 0.01–0.49]	< 0.01*
	smoking	0.16 [0.02–1.15]	0.06
ΔPDQ>MCID	Preoperative PDQ	1.01 [0.98–1.04]	0.11
	Follow-up (month)	1.04 [0.97–1.07]	0.69
	Married	2.96 [0.71–14.56]	0.14
	History of cancer	< 0.01 [< 0.01–0.79]	0.03
	Duration of symptoms (months)	0.99 [0.92–1.02]	0.14
ΔPHQ-9 > MCID	Preoperative PHQ-9	1.47 [1.18–2.06]	< 0.01*
	Follow-up (month)	1.12 [1.01–1.27]	0.02*
	Surgery age	0.91 [0.79–0.97]	0.02*
	Prior depression/anxiety	< 0.01 [< 0.01–0.11]	< 0.01*
	Duration of symptoms (months)	0.89 [0.84–0.97]	< 0.01*

OR Odds ratio, CI Confidence interval, MCID Minimal clinically important difference
* Statistically significant: P<0.02

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