Current trends of unicompartmental knee arthroplasty (UKA): choosing between robotic-assisted and conventional surgeries and timing of procedures

Table 6 Table showing mean surgical times (skin-to-skin) of UKA systems

Surgical system	Surgical times (mins) ± SD	Difference (95% CI)	P-value*
Unilateral
Conventional	88.4 ± 25.0	Reference	Reference
Robotic	104.9 ± 25.0	+ 16.5 (12.5 to 20.4)	< 0.001^†
Mako	106.2 ± 25.3	+ 17.8 (13.3 to 22.3)	< 0.001^†
Cori/Navio	101.0 ± 23.7	+ 12.7 (5.4 to 19.9)	< 0.001^†
Bilateral
Conventional	160.2 ± 34.8	Reference	Reference
Robotic	189.2 ± 35.7	+ 29.0 (18.9 to 39.2)	< 0.001^†
Mako	190.2 ± 38.2	+ 30.0 (18.3 to 41.7)	< 0.001^†
Cori/Navio	186.8 ± 28.9	+ 26.5 (8.9 to 44.1)	0.003^†

^*Comparisons made with reference group by independent samples t-test; SD, standard deviation; CI, confidence interval; †Statistical significance

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