TABLE 1.

Patients with colorectal cancer treated with and without DPP-4i

Variables		DPP-4i(+) (n = 135)	DPP-4i(−) (n = 125)	P
Age		71 (44–91)	69 (42–88)	0.056
Gender	Male	87	87	0.38
	Female	48	38
Tumor site	Right	47	41	0.73
	Left	88	84
Histologic type	tub/pap	129	119	0.92
	por/muc	6	6
pT Stage	t1	30	34	0.9
	t2	25	16
	t3	50	42
	t4	30	33
pN Stage	n0	90	85	0.8
	n1	34	31
	n2	10	8
	n3	1	1
p-Stage	Ⅰ	48	47	0.2
	Ⅱ	42	37
	Ⅲ	45	41
p-Lymphatic invasion	Yes	57	61	0.29
	No	77	63
	Unknown	1	1
p-Vascular invasion	Yes	39	40	0.58
	No	95	84
	Unknown	1	1
Adjuvant therapy	Yes	26	22
	No	109	103
Metformin intake	Yes	30	28	0.97
	No	105	97
HbA1c		6.8 (5.7–9.0)	6.8 (5.5–9.9)	0.89

NOTE: P values were analyzed with Mann–Whitney U test or Fisher test.