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Association between (A) quantity and (B) duration of snowfall and hospital admission or death due to myocardial infarction (MI) among men and women the day after a snowfall. Odds ratios (central lines) and 95% confidence intervals (outer bands) were adjusted for temperature. Panels for duration of snowfall exclude MI events with missing data on duration. Values above 1.0 indicate an increased risk of hospital admission or death. CI = confidence interval.
