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Table 3 Comparison of patient-reported outcome scores between conventional and Robotic-assisted (Ra) TKA

From: Robotic-assisted technology does not influence functional outcomes among obese and morbidly obese total knee arthroplasty patients

 

Conventional TKA

(n = 164)

Ra-TKA

(n = 186)

P Value

Oxford Knee Score

 Preoperative

23.7 (8.4)**

23.6 (7.7)**

0.887

  6 month

40.0 (36.0–44.0)

41.0 (40.0–41.8)

0.896

  1 year

41.0 (40.0–41.3)

43.0 (42.0–45.8)

0.355

  2 year

44.0 (39.0–47.0)

45.0 (41.0–47.0)

0.526

SF-12 Physical

 Preoperative

29.6 (25.1–36.3)

31.5 (27.3–37.9)

0.096

  6 month

44.6 (42.1–47.6)

44.6 (42.9–48.1)

0.780

  1 year

49.4 (37.4–52.6)

49.4 (43.2–54.6)

*0.023

  2 year

47.9 (36.6–54.8)

51.2 (39.6–55.5)

*0.020

SF-12 Mental

 Preoperative

55.4 (43.5–63.1)

56.6 (45.7–62.1)

0.903

  6 month

57.8 (57.6–59.0)

57.8 (55.8–57.8)

0.079

  1 year

56.3 (51.6–60.0)

56.3 (52.9–58.3)

0.370

  2 year

57.8 (51.0–60.6)

57.3 (51.7–59.3)

0.415

  1. Values provided in mean (SD) for ** and the rest are provided in median (IQR)
  2. SF-12 12-item Short Form Survey, Ra-TKA Robotic-assisted total knee arthroplasty
  3. *Denotes p < 0.05