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Table 2 Circannual variation of stroke onset

From: Circadian and circannual patterns of stroke

Total number

Spring

Summer

Autumn

Winter

Chi-square

χ 2

P value

N (98)

21

18

18

41

20.082

< 0.001*

% (100)

21.4

18.36

18.36

41.8

  1. *Significant