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Treatment use and types of systemic therapy (N = 621)
| No. (%) | Before July 2007 (N = 260) | ≥ July 2007 (N = 361) | P | |
|---|---|---|---|---|
| Mitotane | 421 (67.8) | 166 (63.9) | 255 (70.6) | .07 |
| Cytotoxic chemotherapy including targeted therapy | 347 (55.9) | 138 (53.1) | 209 (57.9) | .23 |
| Immunotherapy | 53 (8.5) | 2 (0.3) | 51 (8.2) | < .0001 |
