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Table 2

Comparison KSS scores, FJS, complication requiring new surgery and revision by groups and for the global population.

UKA and anterior laxity (n = 20)a UKA and HTO (n = 4)a Bicompartmental procedure (n = 8)a Global population (n = 32)a p value
Preoperative KSS
 Knee 60.2 ± 11 [30–80] 44 ± 11.9 (30–59) 65.1 ± 9.2 [56–86] 59.8 ± 12.4 [30–86] n.s.
 Function 64.2 ± 15 [25–90] 53 ± 12.4 (35–69) 56.3 ± 16.5 [30–90] 60.8 ± 16 [25–90] n.s.
 Total 124 ± 21 [73–170] 97 ± 17 (70–117) 121.4 ± 13.7 [107–146] 120.2 ± 21.3 [70–170] n.s.
Postoperative KSS
 Knee 93 ± 7.2 [79–100] 97.8 ± 2 (94–99) 89.8 ± 10.9 [69–100] 92.9 ± 8 [69–100] n.s.
 Function 93 ± 13.6 [60–100] 100 ± 0 (100–100) 92 ± 9.8 [80–100] 93.8 ± 12.1 [60–100] n.s.
 Total 184 ± 20 [139–200] 198 ± 2 (194–199) 181.8 ± 19.5 [149–200] 186 ± 18.9 [139–200] n.s.
KSS improvement
 Knee 32.9 ± 14.5 [12–64] 54 ± 13.6 (35–69) 22.8 ± 9 [12–35] n.s.
 Function 29 ± 17 [0–75] 47 ± 12.4 (31–65) 42 ± 20.4 [10–70] n.s.
 Total 60.5 ± 28 [24–127] 101 ± 19 (77–129) 64.8 ± 22.9 [32–85] n.s.
Postoperative FJS 78 ± 20.5 [40–100] 76.5 ± 11 (62–88) 73.7 ± 20.8 [40–100] 76.1 ± 19.6 [40–100] n.s.
Postoperative complications 3 (15%) 0 4 (50%) 0
Revision implant 1 (5%) 0 1 (12.5%) 0
a

Data are presented as mean ± standard deviation [minimum–maximum] or number (proportion), n.s.: non-significant.

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