Table 1. Comorbidity distribution based on the age-adjusted Charlson comorbidities, n = 156,151.
| Variable | Point | Number of patients (%) |
|---|---|---|
| Age | ||
| 40≧Age | 0 | 11317(7.2) |
| 50≧Age>40 | 1 | 30094(19.3) |
| 60≧Age>50 | 2 | 41781(26.8) |
| 70≧Age>60 | 3 | 33897(21.7) |
| 80≧Age>70 | 4 | 27706(17.7) |
| Age>80 | 4 | 11356(7.3) |
| Myocardial infarction | 1 | 305(0.2) |
| Congestive heart failure | 1 | 966(0.6) |
| Peripheral vascular disease | 1 | 167(0.1) |
| Cerebrovascular disease | 1 | 1726(1.1) |
| Dementia | 1 | 193(0.1) |
| Chronic pulmonary disease | 1 | 3143(2.0) |
| Rheumatic disease | 1 | 220(0.1) |
| Peptic ulcer disease | 1 | 6414(4.1) |
| Mild liver disease | 1 | 5184(3.3) |
| Diabetes mellitus without end-organ damage | 1 | 7775(5.0) |
| Diabetes mellitus with end-organ damage | 2 | 732(0.5) |
| Hemiplegia | 2 | 118(0.1) |
| Renal disease | 2 | 1053(0.7) |
| Any malignancy* | 2 | 10737(6.9) |
| Lymphoma | 2 | 267(0.2) |
| Leukemia | 2 | 95(0.1) |
| Moderate liver disease | 3 | 846(0.5) |
| Metastatic solid tumor | 6 | 6135(3.9) |
| Acquired immunodeficiency syndrome (AIDS) | 6 | 2(0.0) |
*Patients with more than one type of cancer in this study population.
Renal disease: chronic glomerulonephritis; nephritis and nephropathy; chronic renal failure.
Mild liver disease: chronic hepatitis; alcoholic cirrhosis; biliary cirrhosis. Moderate liver disease: liver diseases with cirrhosis-related complications.