Mild knee osteoarthritis predicts dissatisfaction after total knee arthroplasty: a prospective study of 186 patients aged 65 years or less with 2-year follow-up

Table 4 Association of preoperative PROMs with dissatisfaction and persistent pain after TKA

Variable	Dissatisfaction			Persistent pain during exercise			Persistent pain at rest
Variable	OR	95% CI	p-value	OR	95% CI	p-value	OR	95% CI	p-value
OKS	0.94	0.87 – 1.01	0.067	0.95	0.90 – 1.00	0.062	0.88	0.81 – 0.96	0.004
KOOS pain	0.96	0.93 – 0.99	0.003	0.97	0.95 – 0.99	0.004	0.95	0.91 – 0.98	0.002
KOOS symptoms	0.96	0.93 – 0.99	0.003	0.97	0.94 – 0.99	0.002	0.95	0.91 – 0.98	0.002
KOOS ADL	0.97	0.94 – 0.99	0.011	0.98	0.96 – 1.00	0.045	0.97	0.94 – 0.99	0.022
KOOS sport	0.95	0.91 – 0.99	0.032	0.95	0.92 – 0.98	0.002	0.94	0.89 – 0.99	0.040
KOOS QoL	0.99	0.96 – 1.02	0.629	0.98	0.96 – 1.00	0.108	0.98	0.95 – 1.02	0.358
RAND-36 MCS	0.99	0.97 – 1.01	0.247	0.99	0.98 – 1.01	0.208	0.98	0.96 – 1.00	0.054
RAND-36 PCS	0.97	0.94 – 1.00	0.080	0.98	0.96 – 1.00	0.065	0.96	0.93 – 1.00	0.047

ISSN: 1471-2474