TABLE I.
Baseline Characteristics*
| Characteristic | No Fracture (N = 127) | Fracture (N = 61) | P Value† |
|---|---|---|---|
| Side | 0.062 | ||
| Right | 72 (56.7%) | 30 (49.2%) | |
| Left | 55 (43.3%) | 31 (50.8%) | 0.037 |
| Age (yr) | 69.0 ± 14.1 | 73.5 ± 12.9 | |
| Sex | 0.75 | ||
| Female | 75 (59.1%) | 34 (55.7%) | |
| Male | 52 (40.9%) | 27 (44.3%) | |
| Disease | 0.022 | ||
| Bladder | 0 | 1 (1.6%) | |
| Brain | 2 (1.6%) | 0 | |
| Breast | 29 (22.8%) | 8 (13.1%) | |
| Gastrointestinal | 13 (10.2%) | 8 (13.1%) | |
| Lung | 13 (10.2%) | 9 (14.8%) | |
| Lymphoma | 1 (0.8%) | 1 (1.6%) | |
| Multiple myeloma | 3 (2.4%) | 1 (1.6%) | |
| Oropharyngeal | 39 (30.7%) | 14 (23.0%) | |
| Renal | 6 (4.7%) | 14 (23.0%) | |
| Skin | 1 (0.8%) | 1 (1.6%) | |
| Thyroid | 2 (1.6%) | 0 | |
| Unspecified | 18 (14.2%) | 4 (6.6%) | |
| Radiation dose (cGy) | 1,552 ± 796 | 1,350 ± 657 | 0.12 |
*
The values are given as the number with the percentage in parentheses or as the mean ± standard deviation.
†
The independent-samples t test was used for ordinal data, and the chi-square test was used for categorical data. No values were significant at p <0.01.