Table 1.
Characteristics of ADT Users and Nonusers in Matched Cohort at Index Date
| Characteristic | ADT Users (%; n = 19,079) | ADT Nonusers (%; n = 19,079) |
|---|---|---|
| Age, years | ||
| Mean | 75.0 | |
| SD | 6.3 | |
|
| ||
| Collapsed ambulatory diagnostic group | ||
| Acute minor | 79.0 | 80.0 |
| Acute major | 84.4 | 84.1 |
| Likely to recur (includes myocardial infarction) | 78.9 | 78.6 |
| Asthma | 6.2 | 6.9 |
| Chronic medical unstable | 92.9 | 92.3 |
| Chronic medical stable (includes hypertension and diabetes) | 84.2 | 84.3 |
| Chronic specialty unstable | 17.3 | 17.5 |
| Chronic specialty stable | 8.7 | 9.3 |
| Eye/dental | 28.2 | 29.0 |
| Psychosocial | 33.9 | 34.1 |
| Prevention, administration | 32.3 | 32.3 |
|
| ||
| Use of bone-thinning medication | 8.9 | 9.6 |
|
| ||
| Prior bone mineral density test | 3.1 | 3.1 |
|
| ||
| Prior diagnosis of osteoporosis | 4.5 | 4.6 |
|
| ||
| Prior fragility fracture | 3.1 | 3.4 |
|
| ||
| Prior prostate cancer treatment | ||
| Radical prostatectomy | 6.5 | 6.5 |
|
| ||
| Rural/small town | 17.7 | 17.2 |
|
| ||
| Income quintile | ||
| 1 (highest) | 17.5 | 18.3 |
| 2 | 16.0 | 15.9 |
| 3 | 16.7 | 16.9 |
| 4 | 17.0 | 17.0 |
| 5 (lowest) | 14.0 | 13.7 |
|
| ||
| At least 51% of primary care visits to same physician | 60.3 | 61.8 |
Abbreviations: ADT, androgen deprivation therapy; SD, standard deviation.