Development and validation of a nomogram for predicting metachronous peritoneal metastasis in colorectal cancer: A retrospective study

Table 2 Risk factors for metachronous peritoneal metastasis in colorectal cancer

Risk factors	Multivariate logistic regression
	OR	95%CI	P value
Tumor site
Right colon	1
Left colon	0.461	0.231-0.917	0.027
Rectum	0.250	0.120-0.520	< 0.001
Histology
Adenocarcinoma	1
Mucinous	2.993	1.441-6.220	0.003
Signet-ring	6.453	2.122-19.625	0.001
T stage
T1	1
T2	1.822	0.364-9.103	0.465
T3	2.284	0.498-10.484	0.288
T4	6.871	1.487-31.736	0.014
CA125
Normal	1
Elevated	2.176	1.211-3.912	0.009
BRAF mutation
Wild	1
Mutation	2.586	1.277-5.236	0.008
MSI status
MSS/MSI-L	1
MSI-H	2.547	1.245-5.212	0.010

CRC: Colorectal cancer; OR: Odds ratio; CI: Confidence interval; MSI: Microsatellite instability; MSS: Microsatellite stability; MSI-L: MSI-Low; MSI-H: MSI-High.