Fig. 2From: Association of sleep disturbances within 4 weeks prior to incident acute myocardial infarction and long-term survival in male and female patients: an observational study from the MONICA/KORA Myocardial Infarction Registry12-year survival curves for male (a) and female (b) AMI patients stratified by frequency of sleep disturbances. Footnote: “Differences in survival time between the three strata of the primary independent variable were determined by log rank test.”Back to article page