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Table 1 Patient characteristics for entire population, all three surgeons combined

From: The initial learning curve for the ROSA® Knee System can be achieved in 6-11 cases for operative time and has similar 90-day complication rates with improved implant alignment compared to manual instrumentation in total knee arthroplasty

Characteristic

raTKA, n = 90

mTKA, n = 90

P value

Age (years), mean (SD, range)

68.7 (8.1, 46 – 84)

69.8 (8.2, 47 – 86)

0.358

BMI, mean (SD, range)

31.32 (5.20, 24 – 48.4)

30.49 (4.80, 22.1 – 43.9)

0.267

ASA Score, n (%)

 1

7 (8)

11 (13)

0.091

 2

45 (51)

53 (61)

 3

37 (42)

23 (26)

Female Sex, n (%)

44 (49)

46 (52)

0.652

Pre-operative Mechanical Alignment (median, range)

5 (−13 – 23)

5 (−10 – 18)

0.966

  1. BMI body mass index (kg/m2)