TABLE 1.
Cases (n = 805) |
Controlsa (n = 835) |
Crude OR (95% CI) |
Adjusted OR (95% CI)c |
||||
---|---|---|---|---|---|---|---|
Variable | No. | % | No. | % | P valueb | ||
CASP8 D302H (rs1045485:G>C) | 0.088d | ||||||
DD | 629 | 78.1 | 615 | 73.6 | 1.00 | 1.00 | |
DH | 168 | 20.9 | 207 | 24.8 | 0.79 (0.63-1.00) | 0.70 (0.50-0.98) | |
HH | 8 | 1.0 | 13 | 1.6 | 0.60 (0.25-1.46) | 1.00 (0.27-3.74) | |
DH+HH | 176 | 21.9 | 220 | 26.4 | 0.034e | 0.78 (0.62-0.98) | 0.71 (0.51-0.99) |
H allele frequency | 0.114 | 0.140 | 0.029f | ||||
CASP8 -652 6N | 0.042d | ||||||
ins/ins | 243 | 30.2 | 207 | 24.8 | 1.00 | ||
ins/del | 385 | 47.8 | 440 | 52.7 | 0.75 (0.60-0.95) | 0.74 (0.57-0.97) | |
del/del | 177 | 22.0 | 188 | 22.5 | 0.81 (0.61-1.06) | 0.78 (0.56-1.07) | |
ins/del+del/del | 562 | 69.8 | 628 | 75.2 | 0.014e | 0.76 (0.61-0.95) | 0.75 (0.58-0.97) |
del allele frequency | 0.459 | 0.489 | 0.092f | ||||
CASP10 I522L (rs13006529:A>T) | 0.439d | ||||||
II | 206 | 25.6 | 239 | 28.6 | 1.00 | 1.00 | |
IL | 418 | 51.9 | 415 | 49.7 | 1.17 (0.93-1.47) | 1.15 (0.88-1.50) | |
LL | 181 | 22.5 | 181 | 21.7 | 1.16 (0.88-1.53) | 1.09 (0.79-1.50) | |
IL+LL | 599 | 74.4 | 596 | 71.4 | 0.206e | 1.17 (0.94-1.45) | 1.13 (0.88-1.46) |
L allele frequency | 0.484 | 0.465 | 0.292f |
The observed genotype frequency in the controls was in agreement with the Hardy-Weinberg equilibrium (CASP8 D302H: χ2 = 0.880, P = 0.348; CASP8 -652 6N: χ2 = 2.474, P = 0.116; CASP10 I522L: χ2 = 0.001, P = 0.973).
Two-sided chi-square test for either genotype distribution or allele frequency.
ORs were adjusted for age, sex, skin color, eye color, hair color, tanning ability, lifetime number of sunburns with blistering, freckling in the sun as a child, presence of moles or dysplastic nevi, and family history of cancer in a logistic regression model.
Distribution of three genotypes.
Distribution of combined genotypes.
Allele distribution.