Ahmed Ouerfelli

A Markov-Chain Model of Colorectal Cancer Treatment-Stage Transitions: A Single-Center Study from Sibiu, Romania

Nicolae Daniel Pop, Ahmed Ouerfelli, Narcisa Vrinceanu, Ramona Maria Coca, Rafaela Coca & Noureddine Ouerfelli · Journal of Cancer and Tumor International · 2026

Colorectal cancer (CRC) is the most frequently diagnosed cancer in Romania, according to the most recent GLOBOCAN 2022 estimates. We developed a homogeneous Markov-chain model describing the treatment-stage transitions of a cohort of 100 CRC patients undergoing cytostatic (chemot...

Open access Research Article 10.9734/jcti/2026/v16i4373

Modeling Regional Trends in Caesarean Births across Ghana's Former Ten Regions over a Decade

Senyefia Bosson-Amedenu, Abdulzeid Yen Anafo, Ahmed Ouerfelli, Nabil Ouerfelli & Noureddine Ouerfelli · Asian Journal of Pregnancy and Childbirth · 2025

This study utilizes empirical modeling and statistical analysis to examine the temporal evolution of caesarean births in Ghana over the period 2008–2017. Building upon a robust linear framework augmented by an exponential component, the research probes the quasi-linear characteri...

Open access Research Article 10.9734/ajpcb/2025/v8i1186