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Table 3 Base case results of the model

From: Nivolumab plus chemotherapy versus chemotherapy alone as first-line treatment for advanced gastric, gastroesophageal junction, and esophageal adenocarcinoma: a cost-effectiveness analysis

Model outcomes

Nivolumab + chemotherapy

Chemotherapy alone

US

Total costs ($)

326,032.70

108,892.05

Incremental costs

217,140.65

-

Total effectiveness (QALYs)

1.12

0.89

Incremental effectiveness (QALYs)

0.23

-

ICER ($/QALY)

944,089.78

 

China

Total costs ($)

113,897.45

14,954.89

Incremental costs

98,942.56

-

Total effectiveness (QALYs)

1.12

0.89

Incremental effectiveness (QALYs)

0.23

-

ICER ($/QALY)

430,185.04

 
  1. QALY: quality-adjusted life year; ICER: incremental cost-effectiveness ratio