Abstract
Introduction: Prolonged hospital stays expose stroke patients to hospital-acquired infections, increase overall cost of care, and delay the initiation of rehabilitation therapies. We sought to examine the factors associated with length of stay (LOS) in acute ischemic stroke (AIS) patients at a comprehensive stroke center (CSC) in an urban center. We hypothesized that patients being discharged to subacute rehabilitation (SAR) or nursing home facilities would have longer LOS. Methods: Consecutive patients admitted to our stroke service from April to July 2018 with a principal diagnosis of AIS were included. Patients with transient ischemic attack, intracerebral hemorrhage or subarachnoid hemorrhage were excluded. Demographics, admission NIHSS, baseline modified Rankin Scale (mRS), discharge mRS, and discharge disposition were collected. LOS was calculated from date/time of patient registration to discharge. Results: Baseline characteristics are shown in table 1. LOS and NIHSS were significantly correlated ( r s 0.745, p <0.001). Medicaid as primary insurance on admission was associated with longer LOS (21.9 days) as compared to Medicare (6.5 days) or commercial insurance (2.6 days) [p=0.017]. Higher discharge mRS was associated with longer LOS [p=0.002]. Discharge to SAR was associated with longer LOS (22.9 days) as compared to acute rehab (8.8 days), home with home health (3.2 days), or home (2.6 days) [p = 0.001]. There was no difference in LOS according to baseline mRS, age, gender, or race. Conclusions: Higher admission NIHSS, Medicaid insurance on admission, discharge to SAR, and discharge mRs &gt4 were significantly associated with longer LOS in AIS patients. Systems of care interventions are needed to address disparity in LOS for Medicaid patients.
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