Table 3. Relationship between proteins and clinicopathological characteristics.

	HER2			EGFR			pEGFR			pAKT			pERK			PTEN
Variable	Neg	Pos	P	Neg	Pos	P	Neg	Pos	P	Neg	Pos	P	Neg	Pos	P	Neg	Pos	P
Age
<58 years	110/113	3/113	0.14	106/112	6/112	0.44	99/113	14/113	0.84	104/114	10/114	1.00	69/108	39/108	0.89	38/111	73/111	0.31
>58 years	108/117	9/117		106/116	10/116		102/115	13/115		105/114	9/114		71/114	43/114		31/113	82/113
Stage
Early	59/62	3/62	1.00*	56/61	5/61	0.77*	51/60	9/60	0.49	60/91	1/61	0.029	38/59	21/59	0.88	27/60	33/60	0.006
Late	157/166	9/166		154/165	11/165		148/166	18/166		147/165	18/165		101/161	60/161		41/162	121/162
Histology
Serous	123/128	5/128	0.38	123/127	4/127	0.017	111/127	16/127	0.84	115//126	11/126	1.00	77/123	46/123	0.89	31/124	93/124	0.042
Other	95/102	7/102		89/101	12/101		90/101	11/101		94/102	8/102		63/99	36/99		38/100	62/100
Grade
I/II	84/89	5/89	1.00*	82/87	5/87	0.78	75/88	13/88	0.18	85/89	4/89	0.19	49/85	36/85	0.24	32/87	55/87	0.17
III/undiff	112/118	6/118		109/118	9/118		107/117	10/117		104/116	12/116		76/114	38/114		31/114	83/114
Res. tumour
<2 cm	105/109	4/109	0.54	100/107	7/107	1.00	95/107	12/107	0.84	102/108	6/108	0.31	70/102	32/102	0.15	34/104	70/104	0.55
⩾ 2 cm	102/109	7/109		101/109	8/109		95/109	14/109		97/108	11/108		63/108	45/108		31/108	77/108

Neg=negative; Pos=positive; Res. tumour=residual tumour after primary surgery; undiff=undifferentiated.

P-values are derived from the χ²-test or Fischer's exact test, where appropriate (^*signifies the use of the Fischer's exact test).