Table 1.
Characteristics of Physicians and Practices According to Physician Specialty
| Characteristic | Physician Specialty |
P | ||
|---|---|---|---|---|
| Surgery (%; n = 318) | Medical Oncology (%; n = 205) | Radiation Oncology (%; n = 117) | ||
| Physician | ||||
| Sex | .01 | |||
| Female | 17.5 | 24.6 | 30.1 | |
| Male | 82.5 | 75.4 | 69.9 | |
| Geographical location | .41 | |||
| Metropolitan Detroit | 40.3 | 39.3 | 33.3 | |
| Los Angeles County | 59.7 | 60.7 | 66.7 | |
| Time in practice, years | .10 | |||
| ≤ 10 | 29.2 | 29.9 | 23.9 | |
| 10-20 | 22.2 | 29.2 | 36.3 | |
| > 20 | 41.5 | 47.9 | 39.8 | |
| Breast cancer specialization, % of all cases | < .01 | |||
| < 25 | 63.3 | 45.1 | 33.9 | |
| 25-50 | 23.9 | 38.0 | 57.8 | |
| > 50 | 12.8 | 16.9 | 8.3 | |
| Practice | ||||
| University affiliation | < .01 | |||
| Yes | 27.4 | 33.7 | 50.4 | |
| No | 72.6 | 66.3 | 49.5 | |
| No. of physicians in the practice | < .01 | |||
| < 3 | 48.7 | 29.1 | 26.5 | |
| 3-5 | 24.2 | 30.6 | 38.4 | |
| ≥ 6 | 27.0 | 40.3 | 35.0 | |
NOTE. P values obtained by χ2 tests. Percentages may not total 100% as a result of rounding.