Table 1.
Demographic and clinical characteristics of study subjects with metastatic lung cancer receiving chemotherapy
| Parameter | Value | |
|---|---|---|
| n = 4068 | ||
| Age (n,%) | ||
| 18-34 | 20 | 0.5 |
| 35-44 | 108 | 2.7 |
| 45-54 | 513 | 12.6 |
| 55-64 | 1,481 | 36.4 |
| > = 65 | 1,946 | 47.8 |
| Geographic region (n,%) | ||
| Northeast | 538 | 13.2 |
| Northcentral | 1,249 | 30.7 |
| South | 2,071 | 50.9 |
| West | 208 | 5.1 |
| Payer type (n,%) | ||
| HMO | 81 | 2.0 |
| Indemnity | 1,814 | 44.6 |
| PPO | 1,210 | 29.7 |
| POS | 941 | 23.1 |
| Other | 21 | 0.5 |
| Comorbidities (n,%) | ||
| Cerebrovascular Disease | 426 | 10.5 |
| Coronay heart disease | 910 | 22.4 |
| Heart failure | 66 | 1.6 |
| Peripheral arterial disease | 165 | 4.1 |
| Diabetes | 808 | 19.9 |
| Kidney Disease | 60 | 1.5 |
| Liver Disease | 272 | 6.7 |
| Respiratory Disease | 2,384 | 58.6 |
| Health care expenditures prior to index date (mean, SD) | ||
| -365 days | 28,562 | 31,136 |