Analysis of cancer-specific survival in patients with metastatic colorectal cancer: A evidence-based medicine study

Table 3 Regression coefficients and estimated scores for building a Nomogram prediction model based on a training cohort

Variable	Nomogram
	Regression coefficients	Estimated score
Race
Black people	17.846261	18
White race	6.960746	7
Other	0	0
Age at diagnosis (yr)
< 70	0	0
≥ 70	14.55836	15
Primary tumor location
Colon	32.76881	33
Rectum	0	0
Tumor differentiation
Ⅰ-Ⅱ	0	0
Ⅲ-Ⅳ	54.39289	54
N stage
0	0	0
1-2	27.38794	27
CEA status
Masculine	35.56051	36
Feminine	0	0
Liver metastases
No	0	0
Yes	34.12213	34
Lung metastases
No	0	0
Yes	29.0965	29
Bone metastases
No	0	0
Yes	49.30787	49
Brain metastases
No	0	0
Yes	54.35879	54
Surgical
No	75.074	75
Yes	0	0
Chemotherapy
None/unknown	100	100
Yes	0	0
Range	0-524.474061	0-524
Score	531.434807	531

CEA: Carcinoembryonic antigen.