No Association of CALCA Polymorphisms and Aseptic Loosening after Primary Total Hip Arthroplasty
Table 2
Clinical characteristics and CALCA P1 genotype distribution in patients with aseptic loosening.
All
CALCA P1 genotype
p-value
CC
CT
TT
Aseptic loosening
n (%)
320 (100)
34 (10.5)
139 (43.0)
147 (45.5)
Age at implantation (y)
55.0 ± 13.37
55.67 ± 14.7
54.63 ± 12.3
55.24 ± 14.07
0.891
Age at replantation (y)
66.59 ± 12.03
67.12 ± 11.7
66.29 ± 11.7
66.76 ± 12.47
0.912
Gender
Female (%)
225 (70.3)
25 (11.1)
99 (44)
101 (44.9)
0.817
Male (%)
95 (29.7)
9 (9.5)
40 (42.1)
46 (48.6)
BMI (kg/m2)
26.86 ± 5.0
26.69 ± 5.0
26.28 ± 4.86
27.37 ± 5.3
0.648
First cup with cement (n=294)
no
107 (36.4)
8 (25)
49 (39.2)
50 (36.5)
0.329
yes
187 (63.6)
24 (75)
76 (60.8)
87 (63.5)
First stem with cement (n= 292)
no
105 (36)
10 (9.5)
42 (40)
53 (50.5)
0.743
yes
187 (64)
21(11.2)
80 (42.9)
86 (45.9)
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.
