Prior medial meniscus arthroscopy is not associated with worst functional outcomes in patients undergoing primary total knee arthroplasty: A retrospective single-center study with a minimum follow-up of 5 years

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Table 2

Clinical outcomes.

IKS score type	Study group^a	Control group^a	p-value
Preoperative
– Knee	53.8 ± 15.1 [15–86]	55.8 ± 12.9 [17–80]	n.s.
– Function	64.7 ± 16.9 [10–100]	60.6 ± 20 [0–90]	n.s.
– Total	118.6 ± 26 [39–159]	114.9 ± 29.4 [0–160]	n.s.
Postoperative
– Knee	89.4 ± 10.1 [57–100]	88.4 ± 12.4 [51–100]	n.s.
– Function	79.4 ± 20.3 [20–100]	80.7 ± 22.3 [0–100]	n.s.
– Total	168.8 ± 25.4 [92–200]	169.1 ± 31.9 [51–200]	n.s.
Improvement
– Knee	34.2 ± 16.7 [−11–80]	33.1 ± 17.2 [−3–100]	n.s.
– Function	14.2 ± 19.3 [−35–60]	19.2 ± 27.2 [−55–100]	n.s.
– Total	48.4 ± 28.4 [−18–124]	52.3 ± 37.4 [−45–200]	n.s.
p value
– Knee	0.01	0.02
– Function	0.03	0.04
– Total	0.04	0.03

IKS: International Knee Score; n.s.: non-significant.

Data are presented as mean ± standard deviation [minimum–maximum] or number (proportion).

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