Table 3. SDF-1 in relation to clinicopathological features.

		Mean	Standard deviation	Minimum	Lower quartile	Mediana	Upper quartile	Maximum	p
FIGO stage	IA	2.69	1.64	0	2	3	4	6	a	<0.0001
	IB	4.35	2.15	0	4	4	6	8	ab
	II	4.00	2.35	0	2	4	6	8	ab
	IIIA	5.00	2.71	2	4	4	6	12	ab
	IIIC	5.06	1.20	3	4	6	6	6	b
	IVB	7.33	2.42	6	6	6	8	12	b
Grading	G1	3.14	1.57	0	2	4	4	4		Ns
	G2	4.34	2.50	0	3	4	6	12
	G3	4.22	1.63	2	3	4	6	8
Bokhman subtype	Endometrioid (I)	3.93	2.00	0	3	4	6	8		Ns
	Non-endometrioid (II)	5.14	2.90	0	4	6	6	12
Lymphnod metastases	Absent (N0)	3.76	2.26	0	2	4	6	12		0.0005
	Present (N1)	5.57	1.88	3	4	6	6	12
Distant metastases	Absent (M0)	4.00	2.13	0	3	4	6	12		0.0013
	Present (M1)	7.33	2.42	6	6	6	8	12
Myometrial invasion	<50%	3.55	2.32	0	2	4	6	12		0.0002
	≥50%	5.29	1.84	2	4	6	6	12
Cervical infiltration	Absent	3.60	1.96	0	2	4	4	8		0.0025
	Present	5.08	2.46	0	4	6	6	12
Infiltration of adnexa	Absent	3.90	2.00	0	3	4	6	8		0.0046
	Present	6.55	2.98	4	4	6	8	12
Risk of recurrence	Low	2.60	1.70	0	2	2.5	4	6		0.0001
	Intermediate and high	4.69	2.24	0	4	4	6	12