Fig. 2
From: Weather conditions associated with subarachnoid hemorrhage: a multicenter case-crossover study
Association of current weather with risk for SAH. Odds ratios for the association of SAH risk and an interquartile range increase in ambient temperature of 11.7 °C, relative air humidity of 17.6% and atmospheric pressure of 11.5 hPa for lag times of 1, 2, and 3 days before onset of SAH symptoms in the overall population and subgroups. Bars indicate 95% confidence interval, filled squares mark odds ratios with confidence intervals not including 1.00