Associations of spondylolisthesis prevalence with baseline characteristics were estimated with age-adjusted prevalence ratios and 95% confidence intervals from log binomial regression models.
退变性脊椎前移患病率的相关基线特征采用年龄调整患病率和95%可信区间的日志二项式回归模型进行评估。
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We first develop the tests for varying dispersion in two special generalized nonlinear models of longitudinal data: (1) logistic nonlinear models in binomial data;