Table 1 Circadian variation of stroke onset
Total number | 1st quartile (12.01 am–6.00 am) | 2nd quartile (6.01 am–12.00 noon) | 3rdquartile (12.01 pm–6.00 pm) | 4th quartile (6.01 pm–12 midnight) | Chi-square | ||
|---|---|---|---|---|---|---|---|
χ 2 | P value | ||||||
N | 98 | (16) | (36) | (27) | (19) | 13.116 | 0.004* |
% | 100 | 16.3 | 36.7 | 27.5 | 19.3 | ||