minoRityPower
1.0.0
minoRityPower是一個 R 包,旨在估計統計功效,以檢測醫療保健系統級幹預措施對臨床試驗註冊的影響,特別注重加速少數族裔參與者的招募。該軟體包專為 ARPA-H 計劃應用程式開發,透過混合效應模型和基於引導程式的模擬提供設施級和參與者級分析。
臨床試驗在招募少數族裔參與者方面經常面臨挑戰,導致醫學研究中的代表性不足。醫療保健系統層面的干預措施旨在透過實施系統性變革來提高少數族裔的入學率,從而解決這一問題。該軟體包提供了以下工具:
# Install from GitHub
devtools :: install_github( " biostochastics/ minoRityPower " )
該軟體包實現了兩種互補的功耗分析方法:
此方法對機構層級的註冊率進行建模,重點在於介入措施如何影響每個機構註冊的參與者數量:
# Facility-level power analysis
facility_results <- run_power_facility(
effect_sizes1 = c( 1.25 , 1.50 ), # 25% and 50% increase in enrollment rate
Ns = c( 30 , 45 , 60 ), # Number of facilities per arm
tau2_facility = 0.64 , # Facility-level variance
mean_rate = 11 # Average monthly enrollment rate
)
這種方法對個人入學機率進行建模,重點關注幹預措施如何影響少數族裔參與者的入學可能性:
# Participant-level power analysis
participant_results <- run_power_participant(
effect_sizes1 = c( 1.25 , 1.50 ), # Main intervention effects
effect_sizes2 = c( 1.75 , 2.00 ), # Minority-specific effects
Ns = c( 30 , 45 , 60 ), # Facilities per arm
minority_rate = 0.3 , # Expected minority enrollment proportion
tau2_trial = 1.19 # Trial-level variance
)
此軟體包提供兩種分析類型的詳細輸出:
library( minoRityPower )
# 1. Facility-level analysis
facility_results <- run_power_facility(
effect_sizes1 = c( 1.25 , 1.50 ),
Ns = c( 30 , 45 , 60 ),
tau2_facility = 0.64 ,
R_boot = 1000
)
# 2. Participant-level analysis
participant_results <- run_power_participant(
effect_sizes1 = c( 1.25 , 1.50 ), # Main effects
effect_sizes2 = c( 1.75 , 2.00 ), # Minority interaction effects
Ns = c( 30 , 45 , 60 ),
minority_rate = 0.3 ,
R_boot = 1000
)
# 3. View results
print( facility_results $ power_table )
print( participant_results $ power_table )
# 4. Display plots
print( facility_results $ power_plot )
print( participant_results $ power_plot )
如果您使用此包,請引用:
@software { your_citation_2024 ,
author = { Sergey Kornilov } ,
title = { minoRityPower : Power Analysis for Healthcare System Interventions in Clinical Trial Enrollment } ,
year = { 2024 } ,
publisher = { GitHub } ,
version = { 0.1.1 } ,
url = { https://github.com/biostochastics/minoRityPower }
}
該項目根據 MIT 許可證獲得許可 - 有關詳細信息,請參閱許可證文件。
歡迎貢獻!請透過 GitHub 提交問題和拉取請求。
這項工作的發展是為了支持 ARPA-H 計劃應用的醫療保健系統級幹預措施的評估,重點是加快少數族裔參與者的臨床試驗註冊。