eISSN 2508-3589
pISSN 2508-1926

Table. 2.

Table. 2.

‘Retinopathy’ data in ‘survival’ package

idlasereye*agetypetrtfutime§statusΠrisk#
5ArgonLeft28Adult146.2309
5ArgonLeft28Adult046.2309
14ArgonRight12Juvenile142.5008
14ArgonRight12Juvenile031.3016
16XenonRight9Juvenile142.27011
16XenonRight9Juvenile042.27011
25ArgonLeft9Juvenile120.60011

id = identification; trt = treatment; futime = follow-up time.

This dataset should have two eye variables: eye 1 = which eye does this row of the data represent, eye 2 = which eye received treatment. Butthis dataset only contains eye 2 variable;

Type of diabetes. Pre-20-year-old diagnoses are defined as childhood diabetes;

Treatment: 1 istreatment eye and 0 is control eye;

Time to loss of vision or last follow-up;

Censored or loss of vision. 0 means censored data and 1 meansloss of vision;

A risk score for the eye.

Korean J Ret 2018;3:1-12 https://doi.org/10.21561/jor.2018.3.1.1
© 2018 Korean J Ret