Related Experiment Video
Updated: Aug 23, 2025

Establishing a Competing Risk Regression Nomogram Model for Survival Data
Published on: October 23, 2020
Statistical analysis of Covid-19 mortality rate via probability distributions
Muhammad Farooq1, Muhammad Ijaz2, Muhammad Atif1
1Department of Statistics, University of Peshawar, Peshawar, Khyber Pakhtunkhwa, Pakistan.
This study models Covid-19 (Coronavirus Disease 2019) mortality rates using probability distributions. The NFW model demonstrated superior accuracy in predicting mortality rates for Pakistan and Afghanistan compared to other models.
Area of Science:
- Epidemiology
- Biostatistics
- Mathematical Modeling
Background:
- Coronavirus Disease 2019 (Covid-19) has caused a global health crisis with millions of fatalities.
- Public health interventions like social distancing and vaccination have been crucial in managing mortality.
- Accurate modeling of mortality rates is essential for effective public health strategies.
Purpose of the Study:
- To model Covid-19 death rates using various probability distributions.
- To evaluate and compare the performance of different probability models in predicting mortality.
- To identify the most accurate model for forecasting Covid-19 mortality.
Main Methods:
- Application of probability distributions to model Covid-19 mortality data.
- Comparative analysis of model performance using mortality rates from Pakistan and Afghanistan.
- Numerical evaluation to determine the best-fitted probability model.
Main Results:
- The NFW (Navarro-Fenton-Weibull) model was identified as a highly accurate probability distribution for modeling Covid-19 mortality.
- The NFW model outperformed other considered probability models in predicting mortality rates.
- The study provides a robust framework for analyzing and predicting disease-specific mortality.
Conclusions:
- The NFW model offers a reliable tool for predicting Covid-19 patient mortality.
- Accurate mortality prediction is vital for informing public health policy and resource allocation.
- This modeling approach can be extended to other infectious diseases to aid in pandemic preparedness.
Related Concept Videos
Parametric Survival Analysis: Weibull and Exponential Methods
Weibull Distribution
The Weibull distribution is a flexible model used in parametric survival analysis. It can handle both increasing and decreasing hazard rates, depending on its shape parameter...
Comparing the Survival Analysis of Two or More Groups
Probability Distributions
A discrete probability distribution is a probability distribution of discrete random variables. It can be categorized into binomial probability distribution and Poisson...
Statistical Methods for Analyzing Epidemiological Data
Actuarial Approach
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...
Introduction To Survival Analysis
The primary goal of survival analysis is to estimate survival time—the time...

