Table 1.

Histologic characteristics of the patients with endometrioid endometrial carcinoma (N = 211) and non-endometrioid endometrial carcinoma (N = 16)

Histologic parameter	Endometrioid endometrial carcinoma	Non-endometrioid endometrial carcinoma	p*
Tumour differentiation			< 0.001
G1	125 (59.2%)	2 (13.3%)
G2	63 (29.9%)	4 (26.6%)
G3	23 (10.9%)	9 (60.0%)
Myometrial invasion
none	8 (3.8%)	1 (6.3%)	0.888
less than ½	123 (58.3%)	9 (56.2%)
more than ½	80 (37.9%)	6 (37.5%)
2009 FIGO stage
IA	114 (54.0%)	7 (43.8%)	0.025
IB	54 (25.6%)	1 (6.3%)
II	14 (6.6%)	2 (12.5%)
IIIA	7 (3.3%)	1 (6.3%)
IIIB	5 (2.4%)	0 (0.0%)
IIIC1	11 (4.7%)	2 (12.5%)
IIIC2	0 (0.0%)	0 (0.0%)
IVA	1 (0.5%)	1 (6.3%)
IVB	5 (2.4%)	2 (12.5%)

^*chi-square test