High levels of MCPyV in seropositive subjects according to age and gender in rural Anyang, China, 2007–2009.

NOTE. MCPyV: Merkel cell polyomavirus; OR: odds ratio; CI: confidence interval.aCrude odds ratios, 95% confidence intervals and P values were derived by univariate logistic regression analyses.bAdjusted odds ratios, 95% confidence intervals and P values were derived by multivariate logistic regression models including age and gender.cP values for trend were derived by logistic regression analyses considering categorical variables as continuous variables.High levels of MCPyV in seropositive subjects according to age and gender in rural Anyang, China, 2007–2009.

注：MCPyV为默克尔细胞多瘤病毒（Merkel cell polyomavirus, MCPyV）；OR为比值比（odds ratio, OR）；CI为置信区间（confidence interval, CI）。
a. 粗比值比、95%置信区间及P值通过单变量logistic回归分析推导得出。
b. 校正后比值比、95%置信区间及P值通过纳入年龄与性别的多变量logistic回归模型计算获得。
c. 趋势检验P值通过将分类变量视为连续变量的logistic回归分析得到。
中国安阳农村地区2007-2009年血清阳性受试者中，按年龄与性别分层的默克尔细胞多瘤病毒高载量情况分析。