Table 4 Logistic regression analysis of the association between season and lesion distribution of acute ischemic stroke.

From: Seasonal variability of lesions distribution in acute ischemic stroke: A retrospective study

 

Multiple infarctions

Bilateral infarctions

DCI

Unadjusted OR 95% CI

Adjusted OR 95% CI

Unadjusted OR 95% CI

Adjusted OR 95% CI

Unadjusted OR 95% CI

Adjusted OR 95% CI

Spring

1.20 (0.91, 1.58)

1.51 (1.03, 2.21)

1.05 (0.77, 1.44)

1.23 (0.84, 1.80)

0.96 (0.66, 1.38)

1.38 (0.91, 2.11)

Summer

Reference

Reference

Reference

Reference

Reference

Reference

Autumn

1.14 (0.86, 1.52)

1.01 (0.69, 1.49)

1.04 (0.75, 1.45)

0.98 (0.66, 1.44)

1.23 (0.85, 1.77)

1.64 (1.07, 2.51)*

Winter

1.66 (1.25, 2.22)**

2.15 (1.44, 3.21)**

1.41 (1.03, 1.93)*

1.54 (1.05, 2.26)*

1.73 (1.22, 2.44)**

2.69 (1.80, 4.02)**

  1. Adjusted for sex, age, stroke, hypertension, diabetes, CHD, atrial fibrillation, hyperlipemia, smoking, drinking, TOAST classification.
  2. DCI double circulation infarctions, CI confidence interval, OR odds ratio.
  3. *p < 0.05, **p < 0.01.
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