load_params_init: Base-case initial parameter set

View source: R/01_model_inputs_functions.R

load_params_initR Documentation

Base-case initial parameter set

Description

load_params_init generates the initial values of the CDX2 CEA model

Usage

load_params_init(
  n_age_init = 65,
  n_age_max = 100,
  n_cycles_year = 12,
  d_c = 0.03,
  d_e = 0.03,
  index_pce = 0.018,
  p_CDX2neg = 0.0717488789237668,
  p_Mets = 0.980840626,
  r_DieMets = 0.03870286,
  r_RecurCDX2pos = 0.003328773,
  hr_RecurCDX2neg = 3.601069078,
  hr_Recurr_CDXneg_Rx = 0.82,
  hr_Recurr_CDXpos_Rx = 1,
  c_Chemo = 1576,
  c_ChemoAdmin = 315,
  c_CRCStg2_init = (32039 - (1391 + 315)),
  c_CRCStg2_cont = 1722,
  c_CRCStg4_cont = 7629,
  ic_DeathCRCStg2 = 41500,
  ic_DeathOCStg2 = 8969,
  c_Test = 112,
  u_Stg2 = 0.74,
  u_Stg2Chemo = 0.67,
  u_Mets = 0.25
)

Arguments

n_age_init

Initial age of the cohort.

n_age_max

Oldest age of the cohort.

n_cycles_year

Number of cycles per year

d_c

Discount factor for costs

d_e

Discount factor for effectiveness

index_pce

Personal consumption expenditures (PCE) price index

p_CDX2neg

Proportion of CDX2-negative patients

p_Mets

Proportion of recurrence being metastatic

r_DieMets

Cancer mortality rate

r_RecurCDX2pos

Rate of recurrence in CDX2 positive patients

hr_RecurCDX2neg

Hazard ratio of recurrence in CDX2 negative vs positive patients

hr_Recurr_CDXneg_Rx

Hazard ratio for disease recurrence among patients with CDX2-negative under chemotherapy versus CDX2-negative patients without chemotherapy.

hr_Recurr_CDXpos_Rx

Hazard ratio for disease recurrence among patients with CDX2-positive under chemotherapy versus CDX2-positive patients without chemotherapy.

c_Chemo

Cost of chemotherapy

c_ChemoAdmin

Cost of chemotherapy administration

c_CRCStg2_init

Initial costs in CRC Stage II (minus chemo and chemotherapy administration)

c_CRCStg2_cont

Continuing costs in CRC Stage II

c_CRCStg4_cont

Continuing costs in CRC Stage IV

ic_DeathCRCStg2

Increase in cost when dying from cancer while in Stage II

ic_DeathOCStg2

Increase in cost when dying from Other Causes (OC) while in Stage II

c_Test

Cost of IHC staining

u_Stg2

Utility for CRC Stage II patients

u_Stg2Chemo

Utility for CRC Stage II patients under chemotherapy

u_Mets

Utility for metastatic recurrence state

Value

List of all parameters


feralaes/cdx2cea documentation built on April 7, 2024, 10:12 a.m.