No Association of CALCA Polymorphisms and Aseptic Loosening after Primary Total Hip Arthroplasty
Table 5
Clinical characteristics and CALCA-P4 genotype distribution in patients with aseptic loosening.
All
CALCA P4 genotype
p-value
AA
AT
TT
Aseptic loosening
n (%)
160 (100)
77 (48.1)
64 (40)
19 (11.9)
Age at implantation (y)
57.16 ± 13.7
57.81 ± 13.3
57.17 ± 12.6
54.52 ± 18.88
0.735
Age at replantation (y)
66.76 ± 12.2
67.48 ± 12.4
66.31 ± 11.7
65.36 ± 12.9
0.742
Gender
Female (%)
112 (70)
48 (42.9)
50 (44.6)
14 (12.5)
0.117
Male (%)
48 (30)
29 (60.5)
14 (29.1)
5 (10.4)
BMI (kg/m2)
26.90 ± 5.11
27.46 ± 5.2
26.24 ± 5.0
26.69 ± 5.04
0.590
First cup with cement (n=153)
no
56 (36.6)
28 (50)
23 (41.1)
5 (8.9)
0.598
yes
97 (63.4)
47 (48.5)
36 (37.1)
14 (14.4)
First stem with cement (n= 150)
no
53 (35.3)
30 (56.6)
17 (32.1)
6 (11.3)
0.546
yes
97 (64.7)
46 (47.4)
39 (40.2)
12 (12.4)
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.
