Table 4.

Relationship Between Positive Rates of IGFBP7 and Clinicopathologic Features in CRC Patients

	n	Positive	%	χ2	P value
Patient age
<63	45	42	93.3	0.010	0.922
≥63	70	65	92.9
Gender
Male	47	43	91.5	0.589	0.714
Female	68	64	94.1
Tumor size
<5	49	45	91.8	0.499	0.779
≥5	61	57	93.4
Unknown	5	5	100
Histological grade
High(grade1)	1	1	100	0.366	0.947
Middle(grade2)	92	85	92.4
Low(grade3)	1	1	100
Unknown	21	20	95.2
Depth of tumor invasion
T1	2	2	100	1.852	0.763
T2	13	13	100
T3	14	13	92.9
T4	81	74	91.4
Unknown	5	5	100
Lymph node metastasis
N0	67	61	91.0	4.457	0.216
N1	29	29	100
N2	13	11	84.6
Unknown	6	6	100
Distant metastasis
M0	105	97	92.4	0.819	0.664
M1	4	4	100
Unknown	6	6	100
TNM stage
Early stage (0+I+IIA)	24	23	95.8	0.952	0.621
Advanced stage (IIB+III+IV)	85	78	91.8
Unknown	6	6	100