An external validation of the ETVSS for both short-term and long-term predictive adequacy in 104 pediatric patients
- Breimer, G. E.
- Sival, D. A.
- Brusse-Keizer, M. G. J.
- Hoving, E.W.
DOIAbstract
PURPOSE: This study aims to provide external validation of the "Endoscopic Third Ventriculostomy Success Score (ETVSS)" for both short-term and long-term predictive adequacy. METHODS: Between 1998 and 2007, we collected clinical follow-up data (after 6 and 36 months) of all 104 hydrocephalic children (<18 years of age) treated by endoscopic third ventriculostomy (ETV) in our hospital. Predictive adequacy of ETVSS for 6- and 36-month periods was tested by means of an unpaired t test, Hosmer-Lemeshow "goodness-of- fit" test, and area under the receiver operating characteristic curve. RESULTS: Mean follow-up was 73.4 months. For both the short-term (6 months) and the long-term (36 months) periods, the mean predicted probability of ETV for the ...
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