Table 3 Predictors of prolonged LOS in patients presented within 4.5 h using multivariate logistic regression

NIHSS at admission

  ≤ 5

Reference

Reference

 6–10

2.52 (1.80–3.54)

< 0.001

2.75 (1.94–3.89)

< 0.001

 11–15

8.69 (5.02–15.0)

< 0.001

9.92 (5.59–17.61)

< 0.001

 16–20

8.70 (4.80–15.8)

< 0.001

10.12 (5.36–19.10)

< 0.001

  > 20

5.82 (3.69–9.18)

< 0.001

16.99 (8.97–32.19)

< 0.001

Atrial fibrillation

1.37 (0.95–1.97)

0.087

1.68 (1.12–2.51)

0.011

Oral anticoagulant

0.39 (0.18–0.83)

0.015

0.30 (0.13–0.69)

0.005

Leukocytosis (> 10 × 10⁹ cells/L) at admission

1.50 (1.07–2.11)

0.020

1.59 (1.10–2.29)

0.013

Intravenous thrombolysis

0.48 (0.33–0.71)

< 0.001

0.42 (0.27–0.64)

< 0.001