Table 4. Sex-specific prevalence of acute myocardial infarction by month of the year.

Month	Overall	Statistical parameter	Male	Statistical parameter	Female	Statistical parameter
January	109	X 2 = 37.321p<0.001	77	X 2 = 39.720p<0.001	32	X 2 = 9.455 p = 0.580
February	132		108		24
March	98		74		24
April	91		77		14
May	104		74		30
June	127		101		26
July	116		91		25
August	137		111		26
September	109		85		24
October	124		99		25
November	156		128		28
December	150		119		31

The numbers indicate the total count for each month.