Table 1 Number of hospitalised patients and percentage of operated
1999200020012002
MenWomenMenWomenMenWomenMenWomen
Number(%)Number(%)Number(%)Number(%)Number(%)Number(%)Number(%)Number(%)
Total13202(23.4)6316(12.4)13266(28.6)6367(15.7)13402(32.5)6503(19.3)12722(36.7)6196(20.7)
DiagnosisMyocardial infarction4624(14.7)2165(7.2)5170(23.2)2405(11.4)5220(27.8)2710(17.3)5121(32.3)2659(17.1)
Angina2852(20.8)1197(11.4)2971(33.4)1329(23.6)2957(37.1)1253(25.6)2352(39.9)1027(26.2)
Chronic ischaemia4317(42.1)2004(24.5)3668(43.4)1650(24.7)3884(46.1)1552(30.0)3968(51.8)1577(35.3)
Chest pain1409(0.1)950(0)1457(0.4)983(0.2)1341(0.5)988(0.1)1281(1.1)933(0.2)
Age group⩽40397(16.6)111(9.9)361(19.4)114(12.3)432(20.8)92(12.0)338(23.4)86(10.5)
41–501397(27.4)263(14.1)1326(33.2)253(17.4)1272(36.7)232(20.7)1214(42.3)240(22.5)
51–603069(28.0)727(15.8)3140(33.9)792(19.0)2901(38.9)800(23.0)2758(40.9)685(24.7)
61–704413(26.1)1651(19.0)4407(31.4)1625(23.8)4470(36)1666(27.8)4118(40.7)1564(29.5)
71–803025(19.8)2084(13.4)3198(24.6)2097(17.7)3441(28.6)2297(21.5)3342(34.4)2118(23.1)
>81901(4.1)1480(1.8)834(5.8)1486(2.1)886(7.8)1416(3.9)952(12.3)1503(6.5)
Second diagnosisCongestive heart failureYes671(11.0)470(5.1)688(13.2)554(6.3)701(16.0)520(8.8)673(16.2)600(7.2)
No12531(24.1)5846(13.0)12578(29.4)5813(16.6)12701(33.4)5983(20.2)12049(37.8)5596(22.1)
Diabetes mellitus¶Yes1205(22.6)871(13.6)1498(31.4)994(19.6)1614(31.5)1100(20.4)1394(32.8)1021(20.5)
No11997(23.5)5445(12.2)11768(28.2)5373(14.9)11788(32.6)5403(19.1)11328(37.1)5175(20.7)
APR-DRG Severity of illness18909(30.3)3794(18.6)8441(40.4)3646(25.4)
23348(24.4)1852(11.1)3265(28.2)1846(13.2)
3802(28.9)574(12.0)798(35.5)539(15.2)
4206(20.4)147(10.2)218(23.4)165(17.0)
APR-DRG Risk of mortality110657(31.2)4568(18.3)10032(40.5)4356(24.7)
21749(17.9)1164(9.8)1814(23.1)1175(11.7)
3359(18.4)245(8.2)408(19.1)333(9.3)
4500(16.2)390(7.4)468(22.7)332(11.4)
  • Myocardial infarction, 410.XX ICD9-CM; chest pain, 786.5X ICD9-CM; angioplasty, 36.0X ICD9-CM; angina, 413.XX ICD9-CM; congestive heart failure, 428.X ICD9-CM; coronary artery bypass, 36.1X-36.2X ICD9-CM; chronic ischaemia, 414.XX ICD9-CM; diabetes mellitus, 250.XX ICD9-CM.