Table 1. Characteristics of Study Population.
| Patients Included (n = 98) | Patients with Pathologic Fractures (n = 49) | Patients with Traumatic Fractures (n = 49) |
|---|---|---|
| Age (years ± SD) | 64 ± 12 | 66 ± 14 |
| Sex (male/female) | 19/30 | 21/29 |
| Underlying primary malignancy (n = 88) | ||
| Lung cancer | 13 | 8 |
| Hepatocellular carcinoma | 9 | 3 |
| Breast cancer | 5 | 4 |
| Colorectal cancer | 4 | 5 |
| Advanced gastric cancer | 0 | 3 |
| Cholangiocarcinoma | 3 | 0 |
| Prostate cancer | 3 | 1 |
| Renal cell carcinoma | 1 | 2 |
| Cervical cancer | 1 | 1 |
| Thyroid cancer | 1 | 3 |
| Others* | 9 | 9 |
| Absent primary malignancy (n = 10) | 0 | 10 |
| Fracture location (n = 98) | ||
| Femur | 33 | 41 |
| Humerus | 14 | 5 |
| Others† | 2 | 3 |
*Involved combined hepatocellular-cholangiocarcinoma (n = 1), sinonasal undifferentiated carcinoma in nasal cavity (n = 1), gastrointestinal stromal tumor (n = 2), undifferentiated pleomorphic sarcoma (n = 1), esophageal cancer (n = 1), vaginal cancer (n = 1), multiple myeloma (n = 4), lymphoma (n = 1), pancreatic cancer (n = 2), ovary cancer (n = 1), leiomyosarcoma (n = 1), primitive neuroectodermal tumor (n = 1), †Involved clavicle (n = 2), tibia (n = 2), scapula (n = 1). SD = standard deviation