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Table 1 Demographics

From: Patella component diameters of 38 mm and up might be associated with higher revision rates after patella resurfacing

 

Failure

No failure

 

Diameter

 

Diameter

Total

≤ 35 mm

≥ 38 mm

Total

≤ 35 mm

≥ 38 mm

n

35

24

11

1020

921

99

Age (years)

63.3 (41.6–81)

64.4 (50.1–81.1)

61.1 (41.3–77)

64.5 59.8 (23–95)

64.7 (23–95)

62.5 (40–85)

Male/female

20/15

9/15

11/0

322/698

229/692

93/6

BMI (kg/m2)

31.73 (21.1–47.9)

32.5 (21.1–47.9)

30.0 (24.1–36.3)

30.5 (17.7–59)

30.5 (17.7–59)

30.3 (18.4–50.2)

Time to revision (months)

52.5 (9–115)

61 (12–115)

34.2 (9–106)

N/A

N/A

N/A