Variables | FGFR3-mutated (n=39) | FGFR3-wildtype (n=39) | P value |
Median OS (months), median (IQR) | 9.2 (5.9–NE) | 21.0 (13.3–NE) | 0.015 |
OS at 6 months, (%) | 62.0 | 89.7 | |
OS at 1 year, (%) | 33.8 | 74.1 | |
Tumor response, n (%) | 0.136 | ||
CR | 1 (2.6) | 2 (5.1) | |
PR | 9 (23.0) | 12 (30.8) | |
SD | 6 (15.4) | 12 (30.8) | |
PD | 23 (59.0) | 13 (33.3) | |
Disease control rate (CR+PR+SD), n (%) | 16 (41.0) | 26 (66.7) | 0.023 |
CR, complete response; FGFR3, fibroblast growth factor receptor 3 ; NE, not estimable; OS, overall survival; PD, progressive disease; PR, partial response; PSM, propensity score matched; SD, stable disease.