From: ICD-10 coding algorithms for defining comorbidities of acute myocardial infarction
Variables | ICD-9 Data In-hospital | ICD-10 Data In-hospital | ICD-9 Data 30-day | ICD-10 Data 30-day | ICD-9 Data 1 Year | ICD-10 Data 1 Year | ||||||
N | % of 29610 | N | % of 20251 | N | % of 29610 | N | % of 20251 | N | % of 29610 | N | % of 20251 | |
Overall | 2384 | 8.1 | 1386 | 6.8 | 2943 | 9.9 | 1824 | 9.0 | 4899 | 16.5 | 3311 | 16.3 |
Age | ||||||||||||
20 – 49 | 26 | 0.9 | 23 | 1.2 | 38 | 1.3 | 29 | 1.5 | 64 | 2.3 | 46 | 2.4 |
50 – 64 | 194 | 2.4 | 100 | 1.8 | 260 | 3.2 | 152 | 2.8 | 449 | 5.5 | 271 | 4.9 |
65 – 74 | 501 | 6.1 | 203 | 4.2 | 659 | 8.1 | 292 | 6.1 | 1108 | 13.6 | 548 | 11.4 |
>=75 | 1663 | 15.9 | 1060 | 13.1 | 1986 | 18.9 | 1351 | 16.8 | 3278 | 31.3 | 2446 | 30.3 |
Gender | ||||||||||||
Female | 1136 | 11.6 | 580 | 8.3 | 1343 | 13.7 | 754 | 10.8 | 2139 | 21.8 | 1401 | 20.1 |
Male | 1248 | 6.3 | 806 | 6.1 | 1600 | 8.1 | 1070 | 8.1 | 2760 | 13.9 | 1910 | 14.4 |
Comorbidities | ||||||||||||
Shock | 394 | 52.6 | 173 | 47.3 | 407 | 54.3 | 178 | 48.6 | 438 | 58.5 | 194 | 53.0 |
Diabetes with Complications | 80 | 15.7 | 71 | 13.3 | 94 | 18.4 | 83 | 15.5 | 167 | 32.7 | 166 | 31.0 |
Congestive Heart Failure | 1205 | 19.1 | 665 | 16.8 | 1435 | 22.7 | 856 | 21.6 | 2378 | 37.6 | 1501 | 37.9 |
Cancer | 91 | 17.8 | 70 | 19.3 | 109 | 21.3 | 103 | 28.5 | 230 | 44.9 | 202 | 55.8 |
Cerebrovascular disease | 267 | 26.0 | 130 | 25.5 | 293 | 28.5 | 149 | 29.2 | 424 | 41.3 | 209 | 41.0 |
Pulmonary Edema | 50 | 26.6 | 25 | 21.0 | 56 | 29.8 | 33 | 27.7 | 81 | 43.1 | 53 | 44.5 |
Acute Renal Failure | 298 | 47.2 | 224 | 31.1 | 307 | 48.6 | 253 | 35.1 | 380 | 60.1 | 358 | 49.7 |
Chronic Renal Failure | 167 | 21.3 | 122 | 17.6 | 184 | 23.5 | 167 | 24.0 | 310 | 39.6 | 308 | 44.3 |
Cardiac Dysrhythmias | 940 | 17.0 | 506 | 14.5 | 1057 | 19.1 | 596 | 17.1 | 1588 | 28.7 | 972 | 27.9 |