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 χ2 statistics. P values were calculated using ANOVA for continuous variables.