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Table 3 Odds of being referred in an education practice compared to a control: comparison of the various modelling strategies used.

From: Imputation of a true endpoint from a surrogate: application to a cluster randomized controlled trial with partial information on the true endpoint

Method set

Point estimate

CI

s.e. (log OR)

Audited data only

0.73

(0.47,1.08)

0.212

Regression

0.68

(0.42,1.01)

0.218

Unstratified imputation

0.74

(0.45,1.02)

0.203

Stratified imputation

0.75

(0.45,1.05)

0.212

Full likelihood

0.68

(0.44,0.91)

0.188

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BMC Medical Research Methodology

ISSN: 1471-2288

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