Table 4. Descriptive Statistics of Variables Adopted in the Empirical Analysis .
| Type | Variable | Obs | Mean | SD | Min | Max |
| Dependent variable | Total costa | 45 | 7.3047 | 2.7141 | 3.0301 | 10.7844 |
| Control variables | Time (age) | 45 | 67.0222 | 11.5552 | 28.0000 | 85.0000 |
| Time (survival) | 45 | 8.7111 | 5.8954 | 0.0000 | 23.0000 | |
| Non-naïve patient | 45 | 0.4000 | 0.4954 | 0.0000 | 1.0000 | |
| Exit patient | 45 | 0.4222 | 0.4995 | 0.0000 | 1.0000 | |
| Cancer stage | 45 | 3.0444 | 0.6013 | 2.0000 | 4.0000 | |
| Side effects tolerability | 45 | 0.2667 | 0.4472 | 0.0000 | 1.0000 | |
| Explanatory variables | Hospitalizations | 45 | 0.4222 | 0.6905 | 0.0000 | 2.0000 |
| First line (cycles) | 45 | 0.3260 | 0.4221 | 0.0000 | 1.0000 | |
| Maintenance (cycles) | 45 | 0.7851 | 2.0997 | 0.0000 | 8.0000 | |
| Second line (cycles) | 45 | 1.2222 | 1.9672 | 0.0000 | 9.0000 | |
| Third line (cycles) | 45 | 0.5444 | 1.5368 | 0.0000 | 7.5000 | |
| Standard treatments (quota) | 45 | 0.4340 | 0.4557 | 0.0000 | 1.0000 | |
| Maintenance study | 45 | 0.0667 | 0.2523 | 0.0000 | 1.0000 | |
| First-line study | 45 | 0.1333 | 0.3438 | 0.0000 | 1.0000 | |
| Second-line study | 45 | 0.2000 | 0.4045 | 0.0000 | 1.0000 | |
| Third-line study | 45 | 0.0444 | 0.2084 | 0.0000 | 1.0000 |
a Logarithmic transformation.
Data were extracted from the dataset of the analyzed general hospital, applying the current reimbursement system of the regional system.