Highlights
- •Status epilepticus severity score (STESS) for the length of stay due to seizure.
- •Retrospectively, STESS was positively correlated with the length of stay (LOS).
- •Predictive performance for LOS improved by incorporating STESS.
- •Although further refinement needed, STESS may be used as a rough indicator for LOS.
Abstract
To date, hospital length of stay (LOS) determinants for convulsive status epilepticus’s
(CSE) acute-phase treatment have not been sufficiently investigated, as opposed to
those for status epilepticus’s (SE) outcome predictors, such as status epilepticus
severity score (STESS). Here, we aimed at assessing the significance of STESS in the
LOS in patients with CSE. We retrospectively reviewed consecutive adult patients with
CSE who were transported to the emergency department of our urban tertiary care hospital
in Tokyo, Japan. The study period was from August 2010 to September 2015. The primary
endpoint was the LOS of patients with CSE who were directly discharged after acute-phase
treatment, and survival analysis for LOS until discharge was conducted. As a result,
among 132 eligible patients with CSE admitted to our hospital, 96 (72.7%) were directly
discharged with a median LOS of 10 days (IQR: 4–19 days). CSE patients with severe
seizures, represented by higher STESS (≥3), had a significantly longer LOS after adjustments
with multiple covariates (p = 0.016, in restricted mean survival time analysis). Additionally, prediction for
the binomial longer/shorter LOS achieved better performance when STESS was incorporated
into the prediction model. Our findings indicate that STESS can also be used as a
rough predictor of longer LOS at index admission of patients with CSE.
Keywords
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Article info
Publication history
Published online: March 13, 2020
Accepted:
March 2,
2020
Received:
October 10,
2019
Identification
Copyright
© 2020 Elsevier Ltd. All rights reserved.
