CALCULATION OF UNCONDITIONAL AND CONDITIONAL REFERENCE INTERVALS FOR FETAL SIZE AND GROWTH FROM LONGITUDINAL MEASUREMENTS

被引:172
作者
ROYSTON, P
机构
[1] Medical Statistics Unit, Royal Postgraduate Medical School, London, W12 0NN, Ducane Road
关键词
D O I
10.1002/sim.4780141303
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
Methods for estimating unconditional and conditional reference intervals for foetal size and growth based on longitudinal observations are presented. The methods are based on simple random-effects regression models and involve transforming both the response and the covariate (timepoint). A dataset from a designed longitudinal study of foetal size is analysed in detail as a motivating example.
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页码:1417 / 1436
页数:20
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