To estimate hospitalization cost, we used HCUP
's Cost-to-Charge Ratio hospital-level files (CCR) (38) when available.
We estimated the population based number of spondylolysis cases using HCUP
Healthcare Cost and Utilization Project (HCUP
): Statistics on hospital stays, national statistics on children, HCUP
nationwide emergency department sample.
Let [h'.sub.s] indicate either the HCUP
estimate of state-level opioid-related hospitalization costs or the prediction derived from our model.
 Healthcare Cost and Utilization Project (HCUP
) Databases, "Overview of the National (Nationwide) Inpatient Sample (NIS)," 2016, http://www.hcup-us.ahrq.gov/nisoverview.jsp.
We have modified the Elixhauser index to exclude the point value of the neurological comorbidity as this includes the ICD-9-CM code for PD when utilizing the validated and updated comorbidity software provided by HCUP
We determined the monthly percentage of bacterial pneumonia discharges for which an LD diagnosis had been given within HCUP
by US Census region (Figure 2).
This study is the first multistate, county level analysis using Healthcare Cost and Utilization Project (HCUP
) state inpatient data (SID) to examine the effect of county nonhospitality workplace smoke-free laws over and above the effect of other (restaurant or bar) smoke-free laws on adult asthma.
We used the version of LOS created by HCUP
and included in the NIS data, which was calculated by subtracting the admission date from the discharge date.
As part of the Healthcare Cost and Utilization Project (HCUP
), the NIS is drawn from those states participating in HCUP
; for 2010, these states account for more than 96 percent of the U.S.
The first study measures health utilization using the Healthcare Cost and Utilization Project (HCUP
) State Inpatient Databases for Arizona, Iowa, New York, Oregon, and Wisconsin in 1999, and those states plus Maryland and New Jersey in 2009.
This study was an analysis of 5 recent years of data (2006-2010) from the Nationwide Emergency Department Sample (NEDS) of the Healthcare Cost and Utilization Project (HCUP
) [Agency for Healthcare Research and Quality (AHRQ) 2014], an annual stratified sample of hospital-based EDs sponsored by the AHRQ (Steiner et al.