Table 1

Cases of Acute Myocardial Infarction Reported to the Second National Registry of Myocardial Infarction by Region

RegionWinter [no. (%)]Spring [no. (%)]Summer [no. (%)]Fall [no. (%)]Summer to Winter Change (%)
All cases36,964 (29.8)29,217 (23.5)24,178 (19.5)33,880 (27.3)+52.8
NE1,897 (29.7)1,663 (26.1)1,124 (17.6)1,695 (26.6)+68.8
Mid Atl4,798 (27.9)4,255 (24.8)3,373 (19.6)4,745 (27.6)+42.2
S Atl7,438 (31.2)5,573 (23.4)4,256 (17.9)6,568 (27.6)+74.8
ENC7,327 (29.5)5,816 (23.4)5,029 (20.2)6,674 (26.9)+45.7
ESC2,549 (30.5)1,822 (21.8)1,539 (18.4)2,437 (29.2)+65.6
WNC2,873 (28.1)2,442 (23.9)1,933 (18.9)2,978 (29.1)+48.6
WSC2,333 (29.8)1,841 (23.5)1,618 (20.7)2,039 (26.0)+44.2
Mountain2,489 (30.3)1,847 (22.5)1,656 (20.2)2,209 (26.9)+50.3
Pacific5,080 (29.5)3,958 (23.0)3,649 (21.2)4,537 (26.3)+39.2

ENC = East North Central (Ohio, Indiana, Illinois, Michigan, Wisconsin); ESC = East South Central (Kentucky, Tennessee, Alabama, Mississippi); Mid Atl = Middle Atlantic (New York, New Jersey, Pennsylvania); Mountain = Montana, Idaho, Wyoming, Colorado, New Mexico, Arizona, Utah, Nevada; NE = New England (Maine, New Hampshire, Vermont, Massachusetts, Rhode Island, Connecticut); Pacific = Washington, Oregon, California, Alaska, Hawaii, Guam; S Atl = South Atlantic (Delaware, Maryland, District of Columbia, Virginia, West Virginia, North Carolina, South Carolina, Georgia, Florida); WNC = West North Central (Minnesota, Iowa, Missouri, North Dakota, South Dakota, Nebraska, Kansas); WSC = West South Central (Arkansas, Louisiana, Oklahoma, Texas).