Table 1.

Contents of Bcl-xl and Bcl-xs mRNA in different types of endometrial tissue and correlation with pathological parameters of the endometrial carcinoma

Classification	Bcl-xl mRNA expression		Bcl-xs mRNA expression
	χ ± S	P value	χ ± S	P value
Normal endometrium	0.35 ± 4.37		0.93 ± 3.05
Simple hyperplasia	0.38 ± 3.25	0.13	0.89 ± 2.00	0.12
Atypical hyperplasia	0.37 ± 3.93	0.38	0.68 ± 0.10	0.00
Endometrial carcinoma	0.75 ± 0.13	0.00	0.49 ± 0.14	0.00
Degree of Pathological Differentiation
Well-differentiated	0.85 ± 7.23		0.52 ± 0.14
Moderately-differentiated	0.70 ± 7.60	F = 5.33	0.45 ± 0.16	F = 0.40
Poorly-differentiated	0.70 ± 1.44	P = 0.02	0.48 ± 7.57	P = 0.68
Clinical Staging
Stage I	0.74 ± 0.15		0.55 ± 7.67
Stage II	0.79 ± 0.10	F = 0.57	0.41 ± 2.83	F = 30.87
Stage III	0.82 ± 0.15	P = 0.58	0.21 ± 7.77	P = 0.00
Lymph Node Metastasis
No	0.82 ± 0.16	F = 2.31	0.51 ± 9.16	F = 0.64
Yes	0.79 ± 0.10	P = 0.73	0.25 ± 6.70	P = 0.00
Depth of Myometrial Invasion
0	0.82 ± 7.26		0.58 ± 7.07
≤ 1/2	0.76 ± 0.11	F = 3.22	0.45 ± 0.16	F = 1.73
> 1/2	0.64 ± 4.73	P = 0.07	0.45 ± 6.03	P = 0.22