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Table 1 Demographics of the three groups analysed. Cr: chromium; Co: cobalt

From: Ceramic-on-metal coupling in THA: long term clinical and radiographic outcomes using two different short stems

 

GROUP A (n:19)

GROUP B (n:25)

CONTROLS (n:20)

Age, years (mean, SD)

71.97, 9.39

64, 9.51

70.8, 9.45

Sex, male (n, %)

10, 53%

17, 68%

8, 40%

Osteoarthritis, primary (n, %)

18, 95%

17, 68%

Side, right (n, %)

9, 47%

12, 48%

BMI, kg/m2 (mean, SD)

27.91, 6.51

27.78, 3.24

Weight, kg (mean, SD)

76.5, 18.25

83, 13.58

Follow-Up, months (mean, SD)

97, 16.15

131.6, 10.05

Cr, μg/l (mean, SD)

2.16, 2.98

3.16, 4.00

3.22, 3.25

Co, μg/l (mean, SD)

0.85, 1.55

2.59, 6.18

0.39, 1.72