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Table 1 Demographics of the avascular necrosis patients undergoing primary total hip arthroplasty with CoC or CoXPE bearing with more than 5 years follow-up

From: Comparison of ceramic-on-ceramic bearing vs ceramic-on-highly cross-linked polyethylene-bearing surfaces in total hip arthroplasty for avascular necrosis of femoral head: a prospective cohort study with a mid-term follow-up

 

CoXPE (n = 77)

CoC (n = 93)

P value

Patients

62

71

 

THAs

77

93

 

Age (years)

59 (36–79)

51 (30–75)

P = 0.034

Sex (male/female)

44/33

53/40

P = 0.984

BMI (kg/m2)

23.2 (19.7–28.9)

25.2 (19.9–29.3)

P = 0.162

Cause of AVNF

 Steroids

57

72

 

 Alcohol

12

15

 

 traumatic

8

6

 

Follow-up (years)

7.2 (5–9)

6.9 (5–9)

 
  1. CoXPE Ceramic-on-highly cross-linked polyethylene, CoC ceramic on ceramic, BMI body mass index, AVNF avascular necrosis of femoral head. All values were given as the mean and range