Yashaar Chaichian

ORCID: 0000-0002-2231-3900 · 3 papers in corpus
diagnostic-accuracy 2025
Refining chronic pain phenotypes: A comparative analysis of sociodemographic and disease-related determinants using electronic health records
The journal of pain ·doi:10.1016/j.jpain.2025.104775

The use of electronic health records (EHR) for chronic pain phenotyping has gained significant attention in recent years, with various algorithms being developed to enhance accuracy. Structured data fields (e.g., pain intensity, treatment m…

observational 2024
The Problem of Pain in Rheumatology: Variations in Case Definitions Derived From Chronic Pain Phenotyping Algorithms Using Electronic Health Records
The Journal of rheumatology ·doi:10.3899/jrheum.2023-0416

OBJECTIVE: The aim of this study was to investigate and compare different case definitions for chronic pain to provide estimates of possible misclassification when researchers are limited by available electronic health record and administra…

observational 2022
The Problem of Pain in Rheumatology: Clinical Profiles Associated With Concomitant Diagnoses With Chronic Overlapping Pain Conditions
ACR open rheumatology ·doi:10.1002/acr2.11488

OBJECTIVE: The chronification of pain is heterogeneous in rheumatology. Chronic overlapping pain conditions (COPCs) such as fibromyalgia, endometriosis, migraine, and back pain may co-occur with one another and in rheumatic diseases. We des…