. Author manuscript; available in PMC: 2008 Jul 4.

Published in final edited form as: J Pathol. 2007 Sep;213(1):91–98. doi: 10.1002/path.2207

Table 3.

Association of FGFR3 expression levels and presence of mutation

GRADE/STAGE¹	Low FGFR3 expression		High FGFR3 expression		Total	P value (Fisher’s exact test)
GRADE/STAGE¹	wildtype	mutant	wildtype	mutant	Total	P value (Fisher’s exact test)
1	2 (17%)	1 (8.3%)	2 (16.7%)	7 (58.3%)	12	0.2364
2	9 (16%)	5 (9.0%)	9 (29.3%)	32 (58.2%)	55	0.007
3	34 (47.4%)	3 (4.2%)	21 (29.2%)	14 (19.4%)	72	0.0019
Ta	13 (19.4%)	7 (10.5%)	9 (13.4%)	38 (56.7%)	67	<0.0001
T1	11 (42.3%)	0	4 (15.4%)	11 (42.3%)	26	<0.0001
T2	19(48.7%)	2 (5.1%)	15 (38.5%)	3 (7.7%)	39	0.0012

Tumours in which staining was scored differently in different regions of the section (n=10 including one pTx sample) are not included