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Table 2 Base-case costs estimates ($, year 2012 values) and utilities

From: Gene-guided Gefitinib switch maintenance therapy for patients with advanced EGFR mutation-positive Non-small cell lung cancer: an economic analysis

Parameter

Median

Range

Description and references

Cost of EGFR genotyping per patient

507.9

381–634.9

Local charge

Cost of gefitinib per 250 mg ($)

77.8

38.9–77.8*

Local charge

Cost of follow-up per unit ($)

55.6

41.7–69.4

[34]

Cost of 2nd-line chemotherapy per cycle ($)

2352.7

1921.1–4383.3

Calculation

Cost of palliative care in end-of-life treatment ($)

3664.3

21.4–48750.2

Calculation

Cost of supportive care per cycle ($)

337.5

158.7–793.7

Calculation

Cost of SAEs in platinum-based chemotherapy per cycle ($)

507.4

189.7–825.0

Calculation

Expenditures of SAEs in maintenance treatment per cycle

Cost of SAEs in Gefitinib strategy per cycle ($)

Formula#

Calculation

Utilities

Utility of PFS

0.65

0.26–0.87

[29]

Utility of OS

0.47

0.19–0.58

[29]

  1. * The range was assumed for a one-way sensitivity analysis.
  2. # Formula: Cost of SAEs in platinum-based chemotherapy per cycle × Cumulative probability of SAEs in maintenance strategy / Cumulative probability of SAEs in platinum-based chemotherapy.