Frequency distribution of TMJ internal derangement by gender, age and genotypes of ANKH polymorphisms in the sample of the study (n = 55).

aresults based on univariate logistic regression statistics.bresults based on multivariate logistic regression statistics when excluding genotypes of ANKH-OR polymorphisms.cresults based on multivariate logistic regression statistics when excluding genotypes of ANKH-TR polymorphisms.dmean ± standard deviation (years of age).eeach additional 10 years of age.a. 基于单变量逻辑回归（logistic regression）统计的分析结果。 b. 排除ANKH-OR多态性基因型后，基于多变量逻辑回归统计的分析结果。 c. 排除ANKH-TR多态性基因型后，基于多变量逻辑回归统计的分析结果。 d. 均值±标准差（年龄，单位：年）。 e. 每增加10岁。