Table 3 Association of PDGFRA expression with clinicopathological characteristics

	PDGFRA immunohistochemical score
Clinicopathological characteristics	Weak	%	Moderate	%	Strong	%	P-value
FIGO stage
I	12/58	21	83/380	22	9/64	14	0.0483
II	12/58	21	44/380	12	10/64	16
III	23/58	40	208/380	55	41/64	64
IV	11/58	19	45/380	12	4/64	6
Grade
1	22/59	37	153/375	41	13/63	21	0.0019
2	11/59	19	103/375	27	15/63	24
3	26/59	44	119/375	32	35/63	56
Residual tumour
⩽1 cm	24/49	49	178/345	51	20/60	33	0.0330
>1 cm	25/49	51	167/345	49	40/60	67
Age
<57 years	29/59	49	185/382	48	31/64	48	NS; 0.99
⩾57 years	30/59	51	197/382	52	33/64	52
Tumour size
⩽10 cm	26/58	45	122/377	32	23/61	38	NS; 0.15
>10 cm	32/58	55	255/377	68	38/61	62
Ascites
No	26/56	46	130/377	34	22/63	35	NS; 0.22
Yes	30/56	54	247/377	66	41/63	65
Ki-67
0–10%	39/57	68	200/375	53	24/62	39	0.0060
10–25%	9/57	16	105/375	28	17/62	27
>25%	9/57	16	70/375	19	21/62	34
p53
Normal	27/58	47	155/372	42	17/63	27	NS; 0.053
Aberrant	31/58	53	217/372	58	46/63	73

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