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Table 4 Constructed prognostic score to predict overall survival in stage IB/IIA ESCC patients

From: A prognostic model for stratification of stage IB/IIA esophageal squamous cell carcinoma: a retrospective study

Covarite

β [HR = exp (β)]

Score

NLNs

− 0.038

− 0.038 * continuous

PDL-1 expression

1.557

1.557 * (low expression = 0, high expression = 1)

pTNM stage

0.687

0.687 * (IB = 1, IIA = 2)

Total computed score and risk stratification

 

total score *100

 Low risk

 

≤ 107.0

 High risk

 

> 107.0

  1. NLNs, the number of lymph nodes