Table 3.

Frequency and type of FGFR3 mutations in primary tumors and metastases.

	FGFR3 mutations observed: N	FGFR3 mutant% (95% CI)	P
Primary tumor (N = 161)	R248C: 2 Y373C: 2	2% (1–6%)	0.1
Metastasis (N = 33)	Y373C: 3	9% (2–24%)