Table 1.

Statistical results of LUNAR1 expression.

Variable	n	LUNAR1 expression		P
		Increased	Preserved
Total	196	145	51
Sex				0.151*
Male	124	96	28
Female	72	49	23
Age at diagnosis				0.312*
≤60	145	110	35
>60	51	35	16
BMI
Normal weight	130	89	41	0.030*
Overweight	42	34	8
Obese	24	22	2
Tumour location				0.090*
Right	66	45	21
Left	71	59	12
Rectum	59	41	18
Tumour size				0.054*
≤3.0 cm	46	29	17
>3.0 cm	150	116	34
Differentiation status				0.038*
Well	42	25	17
Moderate	89	67	22
Poor	65	53	12
Depth of invasion				0.013*
T1 + T2	68	43	25
T3 + T4	128	102	26
Lymph node metastasis				0.024*
Absent (N0)	85	56	29
Present (N1–3)	111	89	22
Distant metastasis				0.161†
Absent (M0)	174	126	48
Present (M1)	22	19	3
TNM stage				0.033†
I	31	17	14
II	54	39	15
III	89	70	19
IV	22	19	3
MSI				0.426*
MSS	168	126	42
MSI-H	28	19	9
KRAS mutation				0.315*
(−)	131	94	37
(+)	65	51	14
BRAF mutation				0192*
(−)	165	125	40
(+)	31	20	11
PIK3CA mutation				0.264*
(−)	160	129	31
(+)	36	26	10

*P value when expression levels were compared using Pearson χ² test.

^†P value when expression levels were compared using Fisher’s exact test.