Nomogram of Fan et al for Predicting Survival in a Patient with Intestinal Diffuse Large B-Cell Lymphoma (DLBCL)

Description

Fan et al reported a nomogram for predicting survival of a patient with intestinal diffuse large B-cell lymphoma (DLBCL). The authors are from Shanghai Jiao Tong University and affiliated hospitals in China.

Patient selection: intestinal diffuse large B-cell lymphoma

Parameters:

(1) age in years, from 20 to 85 years

(2) ECOG performance status

(3) site of origin in GI tract

points for age =

= (1.354 * (age)) - 27.077

Parameter	Findings	Points
ECOG PS	0	0
	1	25
	2	50
	3	75
	4	100
site of origin	ileocecal	0
	not ileocecal	65

total score =

= SUM(points for all of the parameters)

Interpretation:

• minimum score: 0

• maximum score: 253

value of X =

= (-0.0002201 * ((score)^2)) + (0.01126 * (score)) + 3.654

probability of 5-year overall survival =

= 1 / (1 +EXP((-1) * X))

Performance:

• The area under the ROC curve is 0.80.

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