Number of cases with vigorous physical activity during hazard period | 4 |
---|---|
Algebraic sum of 15 minute blocks of non-vigorous or no physical activity over the prior year in patients who reported vigorous physical activity during hazard period (numerator) | 138591 |
Algebraic sum of 15 minute blocks of vigorous physical activity over the prior year in patients who did not report vigorous physical activity during hazard period (denominator) | 9226 |
Relative risk (95% confidence interval)4-150 | 15.0 (4.3–52.2) |
↵4-150 Mantel-Haenszel estimate of the relative risk of having a subarachnoid haemorrhage during a period of vigorous physical activity compared with a period of non-vigorous or no physical activity.