HighlightsThis study examined long-term trends in antibiotic resistance on a national scale in India.Colistin-resistant Klebsiella pneumoniae and Escherichia coli strains have emerged in India.In 2014, the prevalence of carbapenem-resistant E. coli was11.5%, the highest reported to date globally.

Though MRSA infections had been previously associated with higher hospitalization costs, our results suggest that in recent years, costs associated with MSSA-related infections have converged with and may surpass costs of similar MRSA-related hospitalizations.

Data from the National Inpatient Sample show that the decrease in hospitalizations related to methicillin-resistant Staphylococcus aureus (MRSA) infections between 2010 and 2014 primarily reflected declines in skin and soft tissue infections. Hospitalizations related to invasive MRSA remained largely unchanged.

More than 2 million visits for skin and soft tissue infections (SSTIs) are seen in US emergency departments (EDs) yearly. Up to 50% of patients with SSTIs, suffer from recurrences, but associated factors remain poorly understood. We performed a retrospective study of patients with primary diagnosis of SSTI between 2005 and 2011 using California ED discharge data from the State Emergency Department Databases and State Inpatient Databases. Using a multivariable logistic regression, we examined factors associated with a repeat SSTI ED visits up to 6 months after the initial SSTI. Among 197 371 SSTIs, 16·3% were associated with a recurrent ED visit. We found no trend in recurrent visits over time (χ 2 trend = 0·68, P = 0·4). Race/ethnicity, age, geographical location, household income, and comorbidities were all associated with recurrent visits. Recurrent ED visits were associated with drug/alcohol abuse or liver disease [odds ratio (OR) 1·4, 95% confidence interval (CI) 1·3-1·4], obesity (OR 1·3, 95% CI 1·2-1·4), and in infections that were drained (OR 1·1, 95% CI 1·1-1·1) and inversely associated with hospitalization after initial ED visit (OR 0·4, 95% CI 0·3-0·4). In conclusion, we found several patient-level factors associated with recurrent ED visits. Identification of these high-risk groups is critical for future ED-based interventions.

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