Table 3

 Meta-analysis of excess Monday events and subgroup meta-analyses by gender (where available), diagnostic category, event category, and study size

CategorySubgroupNumber of studiesNumber of events (N)Amount of heterogeneity* (I2)Estimated excess %95% PI
*The percentage of total variation in the Monday excess that is attributable to heterogeneity between studies. CHD, coronary heart disease; CVD, cardiovascular disease; IHD, ischaemic heart disease; MI, myocardial infarction; SCD, sudden cardiac death; PI, posterior interval; N, total number of events.
GenderMale1465673083.09.62.3 to 17.7
Female1233106476.24.0−5.4 to 13.7
Diagnostic categorySCD and Cardiac arrest84351324.611.6−3.3 to 27.4
CHD/IHD, CVD, MI, acute MI19162876890.04.8−0.1 to 9.6
Event categoryFatal events only14145207085.25.3−1.6 to 12.9
Fatal and non-fatal events1322021131.67.1−0.6 to 15.1
Study sizeLarger studies only (N>400)23167146888.64.91.1 to 8.7
All studies27167228187.35.92.0 to 9.9