Title: Parameter Converter and Calculator for Health Technology Assessment
Version: 1.4.0
Description: An interactive 'shiny' application for Health Technology Assessment (HTA) parameter estimation. Converts between rates, probabilities, odds, and hazard ratios (HR); extrapolates survival curves (Exponential, Weibull, Log-Logistic); fits probabilistic sensitivity analysis (PSA) distributions (Beta, Gamma, LogNormal, Dirichlet) via the method of moments; calculates incremental cost-effectiveness ratios (ICERs), net monetary benefit (NMB), value-based pricing, and budget impact; adjusts costs for inflation, discounting, and purchasing power parity (PPP) across 30 countries; and adjusts background mortality using life-table methods. Designed for researchers building cost-effectiveness and budget-impact models who need auditable, formula-documented parameter transformations. Methods include Zhang and Yu (1998) <doi:10.1001/jama.280.19.1690> for odds ratio (OR) to relative risk (RR) conversion and Chinn (2000, Statistics in Medicine, 19, 3127-3131) for effect-size transformations.
License: MIT + file LICENSE
Encoding: UTF-8
Imports: shiny, shinythemes, ggplot2, plotly, DT, rmarkdown, magrittr
RoxygenNote: 7.3.3
URL: https://drpakhare.github.io/ParCC/, https://github.com/drpakhare/ParCC
BugReports: https://github.com/drpakhare/ParCC/issues
VignetteBuilder: knitr
Config/testthat/edition: 3
Suggests: knitr, testthat (≥ 3.0.0)
NeedsCompilation: no
Packaged: 2026-03-26 07:24:24 UTC; drpakhare
Author: Abhijit Pakhare [aut, cre], RRC-HTA Team, AIIMS Bhopal [aut]
Maintainer: Abhijit Pakhare <drpakhare@gmail.com>
Repository: CRAN
Date/Publication: 2026-03-30 18:30:07 UTC

ParCC: Parameter Converter and Calculator for Health Technology Assessment

Description

An interactive 'shiny' application for Health Technology Assessment (HTA) parameter estimation. Converts between rates, probabilities, odds, and hazard ratios (HR); extrapolates survival curves (Exponential, Weibull, Log-Logistic); fits probabilistic sensitivity analysis (PSA) distributions (Beta, Gamma, LogNormal, Dirichlet) via the method of moments; calculates incremental cost-effectiveness ratios (ICERs), net monetary benefit (NMB), value-based pricing, and budget impact; adjusts costs for inflation, discounting, and purchasing power parity (PPP) across 30 countries; and adjusts background mortality using life-table methods. Designed for researchers building cost-effectiveness and budget-impact models who need auditable, formula-documented parameter transformations. Methods include Zhang and Yu (1998) doi:10.1001/jama.280.19.1690 for odds ratio (OR) to relative risk (RR) conversion and Chinn (2000, Statistics in Medicine, 19, 3127-3131) for effect-size transformations.

Author(s)

Maintainer: Abhijit Pakhare drpakhare@gmail.com

Authors:

See Also

Useful links:


Run the ParCC Application

Description

Launches the ParCC Shiny application in the default web browser. The application provides interactive tools for Health Technology Assessment parameter conversions, survival extrapolation, PSA distribution fitting, economic evaluation, and more.

Usage

run_app()

Value

A Shiny application object (invisibly). Called for its side effect of launching the application.

Examples

if (interactive()) {
  run_app()
}

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