No difference in Oxford Knee Score between medial and lateral unicompartmental knee arthroplasty after two years of follow-up: a clinical trial

Journal of Experimental Orthopaedics

Table 3 Subgroup analyses

Endpoint	Medial UKA	Lateral UKA	P
Women	N = 45	N = 65
OKS Pre op	23.60 ± 2.51	21.14 ± 5.28	0.02
OKS post op	44.62 ± 1.68	44.17 ± 3.68	0.9
Male	N = 39	N = 54
OKS Pre op	23.03 ± 2.48	21.48 ± 5.38	0.06
OKS post op	44.41 ± 1.73	44.89 ± 3.20	0.05
Age < 70 years	N = 40	N = 51
OKS Pre op	23.65 ± 2.50	22.49 ± 4.15	0.1
OKS post op	44.65 ± 1.70	44.63 ± 2.99	0.4
Age ≥ 70 years	N = 44	N = 68
OKS Pre op	23.05 ± 2.49	20.40 ± 5.91	0.02
OKS post op	44.41 ± 1.70	44.40 ± 3.81	0.2
BMI < 28 kg/m²	N = 44	N = 68
OKS Pre op	23.48 ± 2.54	20.32 ± 5.16	0.001
OKS post op	44.39 ± 1.71	45.13 ± 2.90	0.05
BMI ≥ 28 kg/m²	N = 40	N = 51
OKS Pre op	23.18 ± 2.47	22.59 ± 5.27	0.6
OKS post op	44.67 ± 1.69	43.65 ± 3.99	0.6