Table 1 Baseline characteristics of 38 patients randomized to receive patellar resurfacing or non-resurfacing in primary total knee arthroplasty

Demographics

Mean Age in yr (SD)

64.9 (4.0)

62.0 (5.6)

0.07^*

Females (%)

16 (76)

10 (59)

0.31^†

BMI (SD)

29.8 (5.9)

33.9 (7.3)

0.10^*

0-1 Comorbidities (%)

17 (85)

12 (71)

0.43^†

Baseline characteristics

WOMAC score

  Stiffness (SD)

31.5 (10.9)

46.9 (21.7)

0.01 ^*

  Pain (SD)

38.1 (10.8)

43.8 (10.2)

0.12^*

  Function (SD)

42.7 (9.9)

47.7 (12.7)

0.20^*

RAND 36 score

  Physical Functioning (SD)

20.6 (10.9)

31.7 (21.9)

0.06^*

  Role Physical (SD)

7.1 (17.9)

18.7 (33.5)

0.18^*

  Bodily Pain (SD)

30.6 (12.2)

38.9 (17.0)

0.09^*

  General Health (SD)

70.5 (18.0)

71.8 (18.4)

0.83^*

Range of Motion in degrees (SD)

107.9 ± 15.6

112.0 ± 9.8

0.23^*