No Association of CALCA Polymorphisms and Aseptic Loosening after Primary Total Hip Arthroplasty
Table 3
Clinical characteristics and CALCA P2 genotype distribution in patients with aseptic loosening.
All
CALCA P2 genotype
p-value
II
ID
DD
Aseptic loosening
n (%)
161 (100)
146 (90.7)
14 (8.7)
1 (0.6)
Age at implantation (y)
57.12 ± 13.7
57.07 ± 14.0
57.0 ± 10.89
66.0 ± 0
0.817
Age at replantation (y)
66.80 ± 12.17
66.72 ± 12.3
67.2 ± 10.6
71.91 ± 0
0.907
Gender
Female (%)
113 (70.2)
102 (90.3)
10 (8.9)
1 (0.8)
0.802
Male (%)
48 (19.8)
44 (91.7)
4 (8.3)
0
BMI (kg/m2)
26.90 ± 5.0
26.79 ± 5.1
27.77 ± 5.17
0.587
First cup with cement (n=154)
no
56 (36.4)
52 (92.9)
3 (5.4)
1 (1.7)
0.205
yes
98 (63.6)
87 (88.8)
11 (11.2)
0
First stem with cement (n= 151)
no
53 (35.1)
49 (92.5)
4 (7.5)
0
0.652
yes
98 (64.9)
87 (88.8)
10 (10.2)
1 (1)
Data are numbers with percentages given in brackets and numbers with standard deviation, respectively. Categorical variables were analysed by statistics. P values were calculated using ANOVA for continuous variables.
