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Table 2 Proportion of Cases within 2 and 3° of the intra-operative plan for bone resection angles

From: Unsatisfactory accuracy of recent robotic assisting system ROSA for total knee arthroplasty

N (%)

Post-OP vs. Planned < 2º

[Percentage 95% CI]

Post-OP vs. Planned < 3º

[Percentage 95% CI]

HKA

27.00 (72.97)

[58.80–88.23]

33.00 (89.19)

[74.58–96.97]

Alpha

34.00 (91.89)

[78.09–98.30]

37.00 (100.00)

[90.51–100.0]

Beta

28.00 (75.68)

[58.80–88.23]

34.00 (91.89)

[78.09–98.30]

Gamma

18.00 (51.43)

[47.46–79.79]

27.00 (77.14)

[71.23–95.46]

Delta

20.00 (57.14)

[36.92–70.51]

26.00 (74.29)

[53.02–84.13]