Table 2 Clinical and socio-demographic factors associated with HT use among poorly differentiated and locally advanced PCa cases which received RT between 2005 and 2014 (n = 2, 349)
Variables | Received HT | Use of HT | ||
|---|---|---|---|---|
No (n, %) | Yes (n, %) | Crude Risk Ratio (95% CI) | Adjusted Risk Ratio (95% CI) | |
Age (10 year increase) |  |  | 1.08 (1.01, 1.15) | 1.09 (1.02, 1.16) |
Tumor gradea | ||||
 Low grade | 56 (31.6) | 121 (68.4) | 1.00 | 1.00 |
 High grade | 867 (41.3) | 1, 235 (58.7) | 0.86 (0.77, 0.96) | 1.07 (0.96, 1.19) |
Stage | ||||
 Poorly differentiated | 731 (44.4) | 916 (55.6) | 1.00 | 1.00 |
 Locally advanced | 225 (32.1) | 477 (67.9) | 1.22 (1.14, 1.31) | 1.28 (1.19, 1.37) |
German Index of Socioeconomic-deprivationb | ||||
 Most affluent | 8 (28.6) | 20 (71.4) | 1.00 | 1.00 |
 Medium | 446 (40.3) | 660 (59.7) | 0.84 (0.66, 1.06) | 0.75 (0.58, 0.96) |
 Least affluent | 502 (41.3) | 713 (58.7) | 0.82 (0.65, 1.04) | 0.71 (0.55, 0.92) |
Era | ||||
 Pre-guideline era | 375 (37.7) | 620 (62.3) | 1.00 | 1.00 |
 Guideline era | 581 (42.9) | 773 (57.1) | 1.09 (1.02, 1.17) | 1.02 (0.95, 1.09) |
Federal States | ||||
 Schleswig-Holstein | 238 (43.1) | 314 (56.9) | 1.00 | 1.00 |
 Brandenburg | 227 (36.7) | 392 (63.3) | 1.11 (1.01, 1.22) | 1.10 (1.00, 1.22) |
 Mecklenburg-Vorpommern | 131 (40.7) | 191 (59.3) | 1.04 (0.93, 1.17) | 1.09 (0.96, 1.23) |
 Saxony | 163 (31.2) | 360 (68.8) | 1.21 (1.10, 1.33) | 1.21 (1.10, 1.33) |
 Thuringia | 197 (59.2) | 136 (40.8) | 0.72 (0.62, 0.83) | 0.72 (0.62, 0.83) |