Table 1. Clinicopathological features.

	PKM2 expression
	<50		≥50		P value
Patients, n	37		51
Age (years)					0.36
Range	16–79		24–81
Mean ± SEM	51.7 ± 2.9		54.5 ± 1.7
Stage, n (%)					0.05
I, II	17	(56.7)	11	(43.3)
III, IV	20	(34.5)	35	(65.5)
Grade, n (%)					0.66
Low (G1, G2)	17	(44.7)	21	(55.3)
High (G3)	20	(40.0)	30	(60.0)
Histologic type, n (%)					0.008
Serous type	20	(32.8)	41	(67.2)
Other types	17	(63.0)	10	(37.0)
Pathogenesis model, n (%)					<0.001
Type I	20	(69.0)	9	(31.0)
Type II	17	(28.8)	42	(71.2)
Significance in bold (P < 0.05)
Histologic type, n (%)					0.01 a
SC	20	(32.8)	41	(67.2)
MC	13	(72.2)	5	(27.8)
EC	2	(66.7)	1	(33.3)
CCC	2	(33.3)	4	(66.7)

^a Fisher’s exact test