- Estimating misclassification error: a closer look at cross-validation based methodsSongthip Ounpraseuth
Department of Biostatistics, University of Arkansas for Medical Sciences, 4301 W Markham St Slot 781, Little Rock, AR 72205, USA
BMC Res Notes 5:656. 2012..We conducted an MC simulation study to compare a new method of bootstrap CV (BCV) to k-fold CV for estimating clasification error...
- Evaluating the effect of hospital and insurance type on the risk of 1-year mortality of very low birth weight infants: controlling for selection biasSongthip Ounpraseuth
Department of Biostatistics, University of Arkansas for Medical Sciences, Little Rock, AR 72205, USA
Med Care 50:353-60. 2012..We examined the effect of hospital type and medical coverage on the risk of 1-year mortality of very low birth weight (VLBW) infants while adjusting for possible selection bias...
- Time trends and payer differences in lengths of initial hospitalization for preterm infants, Arkansas, 2004 to 2010Songthip Ounpraseuth
Department of Biostatistics, College of Public Health, University of Arkansas for Medical Sciences, Little Rock, Arkansas
Am J Perinatol 32:33-42. 2015..The objective of this study was to examine the time trend in length of stay (LOS) and explore potential differences in neonatal LOS by insurance type for preterm infants in Arkansas between 2004 and 2010...