Table 1.
Characteristics of Patients by Physician Group
| Characteristic | Physician group | |||
|---|---|---|---|---|
| Generalist (n = 5,536) | Hospitalist (n = 11,565) | Academician (n = 5,691) | P value* | |
| Mean age ± SD | 66.5 ± 16.5 | 62.8 ± 17.3 | 58.6 ± 18.9 | <.001 |
| Female gender† | 59.6 | 57.1 | 55.7 | <.001 |
| Ethnicity† | <.001 | |||
| White | 59.3 | 59.4 | 47.7 | |
| Black | 23.2 | 25.6 | 34.1 | |
| Hispanic | 13.9 | 12.5 | 13.8 | |
| Other | 3.7 | 2.5 | 4.4 | |
| Insurance† | <.001 | |||
| Medicare | 67.9 | 58.8 | 50.7 | |
| Medicaid | 6.5 | 7.7 | 32.3 | |
| Commercial/HMO | 25.6 | 33.5 | 17.0 | |
| APRDRG† | <.001 | |||
| Neurological disorders 45,46,53,54 | 6.1 | 7.0 | 8.7 | |
| Respiratory disorders 137,139–141, 144 | 14.4 | 14.0 | 17.0 | |
| Cardiovascular disorders 190,194,197–199,201,204 | 32.9 | 30.9 | 27.5 | |
| Chest pain 203 | 10.3 | 12.5 | 10.6 | |
| Digestive diseases 241,243,244,247,249,251,253,254,282 | 16.2 | 15.0 | 13.7 | |
| Musculoskeletal disorders 347,351 | 3.2 | 3.3 | 2.7 | |
| Skin infection 383 | 2.3 | 2.7 | 3.2 | |
| Diabetes 420 | 1.9 | 1.8 | 3.7 | |
| Disorders of electrolytes 422,425 | 3.0 | 2.9 | 3.2 | |
| Renal failure 460 | 2.3 | 2.6 | 2.1 | |
| UTI 463 | 3.7 | 3.8 | 4.5 | |
| Anemia 663 | 1.6 | 1.2 | 1.2 | |
| Septicemia 720 | 2.2 | 2.4 | 2.0 | |
| Severity level† | ||||
| 1 | 27.9 | 28.0 | 28.6 | 0.752 |
| 2 | 47.5 | 47.0 | 47.4 | |
| 3 | 21.5 | 21.3 | 20.8 | |
| 4 | 3.2 | 3.7 | 3.1 | |
APRDRG = all patient refined diagnosis related group
*Chi square tests were used for categorical variables and one-way ANOVA for age
†Percent