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st: sensitivity and specificity after xtgee


From   Mohammadreza Mohebbi <mohammadreza.mohebbi@monash.edu>
To   statalist <statalist@hsphsun2.harvard.edu>
Subject   st: sensitivity and specificity after xtgee
Date   Mon, 17 Sep 2012 11:00:36 +1000

Dear statalist members,


Is there any post-estimation option after running xtgee/ xtlogit (for
binary longitudinal regression) for calculating
sensitivity, specificity, positive and negative predictive values,
positive and negative likelihood ratios and ROC curve?

I used xtgee to fit binary regression for wheez syndrome with 3
measurements (baseline, first year and second year follow-ups) with
PD20 as exposure and  broadcat and smoker_current as covariates:

xtset  h_id h_int_no
xtgee    wheez_symp  pd_20_base i.broadcat smoker_current ,
corr(exchangeable) fam(binom) link(log/logit) eform robust

Regards,
Mohammadreza.


Mohammadreza Mohebbi,
Research Fellow/ Biostatistician,
Monash Center for Occupational & Environmental Health,
Monash University,
Level 6,The Alfred Centre,99 Commercial Road
Melbourne vic 3004
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