(HealthDay News) — Frequent prior hospitalization and National Institutes of Health Stroke Scale (NIHSS) rating at admission may predict 30-day readmission after ischemic or hemorrhagic stroke, according to a study published online June 11 in the American Journal of Medical Quality.

Roy E. Strowd, MD, from the Wake Forest School of Medicine in Winston-Salem, NC, and colleagues retrospectively compared 79 cases readmitted to the same hospital within 30 days of acute stroke and 86 frequency-matched controls to identify factors associated with readmission.

The researchers found that readmitted patients were more likely to have >2 hospitalizations in the year prior (21.5% vs. 2.3% in controls, P<0.001), congestive heart failure, coronary artery disease, cancer, acute renal failure, pneumonia, urinary infection, and absence of hyperlipidemia. Admission NIHSS (OR, 1.072 per 1-point increase; P=0.005), prior hospitalizations (OR, 2.205 per admission; P<0.001), and absence of hyperlipidemia (OR, 0.444; P=0.023) were independently associated with readmission in multivariate modeling.

“If validated, these characteristics identify high-risk patients and focus efforts to reduce readmission,” the authors write.

Several authors disclose ties to the pharmaceutical industry.

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