Table 1:
HF Comorbidities among Cases and Controls (x is the wildcard character that indicates to include all the lower level ICD-9 codes)
| Comorbidity | ICD-9 codes | Cases | Controls |
|---|---|---|---|
| Hypertension | 401.x–405.x | 2874 (61.89%) | 24939 (54.24%) |
| Diabetes | 250.x | 1478 (31.83%) | 11037 (24.00%) |
| Prior Myocardial Infarction | 410.x | 34 (0.73%) | 192 (0.42%) |
| Known Coronary Disease | 413.x, 414.x | 1183 (25.47%) | 7240 (15.75%) |
| Peripheral Vascular Disease | 440.x–442.x | 190 (4.09%) | 1106 (2.41%) |
| Cerebrovascular Disease | 430.x–438.x | 460 (8.74%) | 3033 (6.60%) |
| Valvular Heart Disease | |||
| Aortic | 424.1 | 111 (2.39%) | 541 (1.18%) |
| Mitral | 424.0 | 83 (1.79%) | 427 (0.93%) |
| Chronic Obstructive Pulmonary Disease | 490.x–496.x | 855 (18.41%) | 5621 (12.22%) |
| Chronic Kidney Disease | 585.x, 403.x | 202 (4.41%) | 1243 (2.70%) |