Table 2.
Survival Times of BM Patients based on Clinical Characteristics at Dharmais National Cancer Center, Indonesia
| Characteristics | Time at risk | Incidence Rate | Number of Subjects | Survival times | ||
|---|---|---|---|---|---|---|
| 25% | 50% | 75% | ||||
| Total | 857.8 | 0.12 | 148 | 2.0 | 4.3 | 11.6 |
| Sex | ||||||
| Male | 254.5 | 0.16 | 55 | 1.63 | 3.6 | 9.7 |
| Female | 603.4 | 0.10 | 93 | 2.16 | 5.2 | 14.6 |
| Age groups | ||||||
| < 40 | 86.1 | 0.14 | 19 | 1.2 | 2.4 | 18.8 |
| 40- 50 | 243.8 | 0.12 | 40 | 2.8 | 6.0 | 12.2 |
| > 50 | 527.9 | 0.12 | 89 | 1.6 | 4.0 | 11.5 |
| Education | ||||||
| Secondary | 131.5 | 0.17 | 30 | 1.5 | 2.7 | 7.3 |
| High School | 491.4 | 0.12 | 88 | 1.8 | 5.2 | 11.6 |
| Graduate | 234.9 | 0.09 | 30 | 2.8 | 5.2 | 15.9 |
| Nutritional status | ||||||
| Normal | 387.4 | 0.14 | 73 | 1.6 | 4.0 | 11.3 |
| Overweight | 272.5 | 0.08 | 35 | 3.4 | 7.3 | 15.1 |
| Underweight | 189.0 | 0.14 | 38 | 1.5 | 4.4 | 11.1 |
| Type of primary cancer | ||||||
| Breast Cancer | 285.5 | 0.12 | 52 | 2.7 | 4.3 | 13.8 |
| Lung Cancer | 443.7 | 0.12 | 72 | 1.6 | 4.3 | 11.6 |
| Others | 121.7 | 0.14 | 23 | 1.5 | 3.9 | 7.1 |
| Solitary or Multiple metastases | ||||||
| Multiple | 521.7 | 0.14 | 100 | 1.6 | 4.0 | 10.4 |
| Solitary | 327.8 | 0.09 | 46 | 2.4 | 6.9 | 14.6 |
| Location at supratentorial | ||||||
| No | 110.6 | 0.13 | 21 | 1.2 | 2.8 | 14.6 |
| Yes | 743.0 | 0.12 | 126 | 2.0 | 4.4 | 12.2 |
| Location at infratentorial | ||||||
| No | 476.1 | 0.10 | 70 | 2.2 | 4.8 | 14.3 |
| Yes | 377.5 | 0.15 | 77 | 1.6 | 3.9 | 10.4 |
| Extracranial metastases to lung | ||||||
| No | 599.3 | 0.13 | 112 | 1.6 | 3.9 | 11.3 |
| Yes | 258.6 | 0.09 | 36 | 2.8 | 7.7 | 15.9 |
| Extracranial metastasis to the liver | ||||||
| No | 587.2 | 0.13 | 108 | 2.2 | 4.1 | 11.1 |
| Yes | 268.9 | 0.10 | 39 | 2.0 | 7.0 | 13.8 |
| Extracranial metastasis to bone | ||||||
| No | 448.6 | 0.12 | 80 | 2.0 | 4.0 | 11.1 |
| Yes | 409.3 | 0.12 | 68 | 2.0 | 4.8 | 13.8 |
| Extracranial metastasis to other organs | ||||||
| No | 743.9 | 0.13 | 137 | 1.8 | 4.3 | 11.3 |
| Yes | 114.0 | 0.08 | 11 | 2.0 | 5.2 | 20.6 |
| Brain Surgery | ||||||
| No | 554.8 | 0.13 | 105 | 1.6 | 4 | 12.2 |
| Yes | 303.1 | 0.10 | 43 | 2.3 | 4.4 | 11.3 |
| Receiving WBRT | ||||||
| No | 166.7 | 0.24 | 53 | 0.8 | 1.5 | 6.1 |
| Yes | 691.1 | 0.09 | 95 | 3.1 | 6.9 | 14.6 |
Note: The Incidence rate is the number of failures divided by the total analysis time at risk under observation. For example, the total incidence rate is 102/857,836 = 0.118903846423, or 0.12, as presented in the first row of the table.