Table 2. Correlation of Notch receptor mRNA high expression with PFS in pathological grades of ovarian cancer patients.

Notch receptors	Pathological grades	Cases	HR 95% CI	P value
Notch 1	I	37	0.68 (0.23–2.03)	0.48
	II	247	1.19 (0.89–1.61)	0.25
	III	790	0.93 (0.78–1.11)	0.44
Notch 2	I	37	0.93 (0.31–2.77)	0.89
	II	247	1.45 (1.07–1.96)	0.016
	III	790	1.03 (0.87–1.23)	0.71
Notch 3	I	37	1.66 (0.54–5.08)	0.37
	II	247	1.21 (0.89–1.63)	0.22
	III	790	0.94 (0.79–1.12)	0.48
Notch 4	I	37	0.38 (0.12 −1.22)	0.091
	II	247	1.03 (0.76–1.38)	0.86
	III	790	1.04 (0.88–1.24)	0.64

Note: three-tier grading scheme for pathological classification.