Table 3. Sex-specific prevalence of acute myocardial infarction by day of the month.

Day	Overall	Statistical parameter	Male	Statistical parameter	Female	Statistical parameter
1	58	X 2 = 33.518p = 0.257	46	X 2 = 40.633p = 0.074	12	X 2 = 29.597p = 0.434
2	43		36		7
3	45		34		11
4	50		42		8
5	46		37		9
6	59		49		10
7	40		28		12
8	50		38		12
9	44		35		9
10	46		39		7
11	43		33		10
12	44		34		10
13	46		43		3
14	53		39		14
15	30		28		2
16	47		37		10
17	62		49		13
18	45		37		8
19	57		47		10
20	55		44		11
21	48		33		15
22	49		40		9
23	54		41		13
24	66		57		9
25	47		41		6
26	36		21		15
27	48		36		12
28	47		35		12
29	52		37		14
30	43		28		15

The numbers indicate the total count for each day.