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Background/aim: The prevalence, characteristics, burden and trends of primary biliary cholangitis (PBC) hospitalizations in the USA remain unclear., Method: We identified primary PBC hospitalizations from the National Inpatient Sample (NIS) 2007 through 2014 using ICD-9-CM codes. We calculated the rates and trends of hospitalization for PBC per 100,000 US population among each gender (males and females) and racial categories (Whites, Blacks, Hispanics and other racial minorities), and measured the predictors of hospitalization, and of mortality, charges and length of stay (LOS) among PBC hospitalizations., Result: There were 8460 (weighted: 41,191) PBC hospitalizations between 2007 and 2014. The mean national PBC hospitalization rate was 2.2 cases per 100,000 population (2.2/100,000), increasing from 1.7/100,000 (2007) to 2.5/100,000 (2014). From 2007 to 2014, the in-hospital mortality and LOS were unchanged while the charges increased from $65,993 to $73,093 ($225 million to $447 million overall expenses). Compared to Whites, the PBC hospitalization rate was 12% higher among Hispanics (RR: 1.12 [1.09-1.16]), 53% lower in Blacks (RR: 0.47 [0.45-0.49]) and 5% lower among other racial minorities (0.95 [0.91-0.99]). The rate was higher among females (RR:4.02 [3.93-4.12]) compared to males. On multivariate analysis, Blacks and other racial minorities, respectively, had higher odds of mortality (AOR: 1.47 [1.03-2.10] and 1.33 [0.96-1.84]), while other racial minorities had longer LOS (7.0 vs. 5.6 days) and higher hospital charges ($48,984 vs. $41,495) when compared to Whites., Conclusion: The hospitalization rate and burden of PBC in the USA have increased disproportionately among females and Hispanics with higher mortality in Blacks.

Background and Aims: Leaving against medical advice (LAMA) is an unfortunate occurrence in 1-2% of all hospitalized patients and is associated with worse outcomes. While this has been investigated across multiple clinical conditions, studies on patients with chronic pancreatitis (CP) are lacking. We aimed to determine the prevalence and determinants of this event among patients with CP., Methods: The Healthcare Cost and Utilization Project-Nationwide Inpatient Sample (NIS), 2007-2014, was used in the study. Patients with LAMA were identified, and the temporal trend of LAMA was estimated and compared among patients with and without CP. We then extracted patients with a discharge diagnosis of CP from the recent years of HCUP-NIS (2012-2014) and described the characteristics of LAMA in these patients. Multivariate logistic regression models were used to evaluate predictors of LAMA., Results: 3.39% of patients with CP discharged against medical advice. LAMA rate in CP patients was higher and increased more steeply at quadruple the rate of those without. More likely to self-discharge were patients who were young, males, non-privately insured, or engaged in alcohol and substance abuse, likewise were those with psychosis and those admitted on a weekend or non-electively. The northeast and for-profit hospitals also had higher odds of LAMA. However, patients transferred from other healthcare facilities have reduced LAMA odds. Among all patients with CP, those with LAMA had shorter length of stay (2.74 [2.62-2.85] days vs. 5.78 [5.71-5.83] days) and lower hospitalization cost $23,271 [$22,171-$24,370] versus $45,472 [$44,381-$46,562] compared to the no-LAMA group., Conclusion: LAMA occurs in approximately 1 in 29 patients with CP and is increasing at almost quadruple the rate of those without. Clinicians need to pay closer attention to the identified at-risk groups for ameliorative targeted interventions.

Background/aims: Alcoholic hepatitis (AH) can lead to sudden and severe hepatic decompensation necessitating recurrent hospitalizations. We evaluated the trends, predictors, and healthcare cost burden of AH-related readmissions in the USA., Methods: Utilizing the National Readmissions Database 2010-2014, we performed a retrospective longitudinal analysis to identify the index readmission with AH for up to 90 days after discharge. Annual trends of 30- and 90-day AH-related readmissions were calculated. Predictors of 30- and 90-day readmission were determined by multivariate logistic regression. Annual healthcare cost burden associated with AH-linked readmissions was estimated., Results: Of the 21,572 (unweighted: 50,769) AH-related hospitalizations, 4917 (22.8%) and 7890 (36.6%) were readmitted in 30 and 90 day, respectively, with rates that were statistically unchanged from 2010 to 2014. Predictors of 30-day readmissions included female gender, hepatitis C virus infection, cirrhosis, ascites, acute kidney injury, urinary tract infection, history of bariatric surgery, chronic pancreatitis, and high medical comorbidity index. Acute pancreatitis and palliative care consultation were associated with a lower risk of 30-day readmission. Predictors of 90-day readmission were similar to risk factors for 30-day readmission. From 2010 to 2014, the annual cost (and total hospitalization days) burden increased in 2014 to $164 million (22,244 days) and $321 million (42,772 days) for 30- and 90-day AH-related readmissions, respectively., Conclusion: Despite relatively stable trends in AH-related readmission, the total LOS and cost has been rising. A target-directed approach with a focus on high-risk subpopulations may help understand the unique challenges associated with the rising cost of AH-related readmissions.

Background and Aims: Providing diagnostic and therapeutic interventions, lower gastrointestinal endoscopy is a salient investigative modality for ischemic bowel disease (IB). As studies on the role of endoscopic timing on the outcomes of IB are lacking, we sought to clarify this association., Methods: After identifying 18-to-90-year-old patients with a primary diagnosis of IB from the 2012-2014 Healthcare Cost and Utilization Project-Nationwide Inpatient Sample, we grouped them based on timing of endoscopy into three: early (n = 9268), late (n = 3515), and no endoscopy (n = 18,452). We explored the determinants of receiving early endoscopy, the impact of endoscopic timing on outcomes (mortality and 13 others), and the impact of the type of endoscopy (colonoscopy vs. sigmoidoscopy) on these outcomes among the early group (SAS 9.4)., Results: Less likely to receive early endoscopy were Blacks compared to Whites (adjusted odds ratio [aOR] 0.81 95% CI [0.70-0.94]), and individuals on Medicaid, Medicare, and uninsured compared to the privately insured group (aOR 0.80 [0.71-0.91], 0.70 [0.58-0.84], and 0.68 [0.56-0.83]). Compared to the late and no endoscopy groups, patients with early endoscopy had less mortality (aOR 0.53 [0.35-0.80] and 0.09 [0.07-0.12]), shorter length of stay (LOS, 4.64 [4.43-4.87] days vs. 8.87 [8.40-9.37] and 6.62 [6.52-7.13] days), lower total hospital cost (THC, $41,055 [$37,995-$44,361] vs. $72,598 [$66,768-$78,937] and $68,737 [$64,028-$73,793]), and better outcomes. Similarly, among those who received early endoscopy, colonoscopy had better outcomes than sigmoidoscopy for mortality, THC, LOS, and adverse events., Conclusion: Early endoscopy, especially colonoscopy, is associated with better clinical outcomes and decreased healthcare utilization in IB. Unfortunately, there are disparities against Blacks, and non-privately insured individuals in receiving early endoscopy.