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Prevalence of Chronic Kidney Disease in Hospitalized Patients in Internal Medicine Wards in Greece: The CKD-HOP Point

Anastasios Tentolouris1, Theodosios Filippatos2, Theodoros Katsikas3

  • 1First Department of Propaedeutic Internal Medicine and Diabetes Center, School of Medicine, National and Kapodistrian University of Athens, Laiko General Hospital, Athens, Greece.

Journal of Nephrology
|August 13, 2026
PubMed

Insights

Chronic kidney disease (CKD) is prevalent in hospitalized Greek adults, particularly the elderly with multiple health issues. Early detection and targeted management are crucial for this high-risk group.

Area of Science:

  • Nephrology
  • Internal Medicine
  • Public Health

Background:

  • Chronic kidney disease (CKD) is a significant cause of illness and death.
  • A point-prevalence study was conducted in Greece to assess CKD in hospitalized adults.

Purpose of the Study:

  • To determine the prevalence and characteristics of CKD in hospitalized internal medicine patients.
  • To identify demographic factors, comorbidities, and CKD stages in this population.

Main Methods:

  • A nationwide, multicenter study involving 29 Greek hospitals.
  • Patients were diagnosed with CKD based on estimated glomerular filtration rate (eGFR) and albumin-to-creatinine ratio (ACR) criteria, or persistent renal abnormalities.
  • Data collected included demographics, comorbidities, medication use, CKD stage, and reason for admission.

Main Results:

  • The point prevalence of CKD was 17.6% among 1,155 screened patients (203 with CKD).
  • The CKD cohort was elderly (mean age 81.2 years) with high rates of hypertension (78.8%), dyslipidemia (53.7%), diabetes (48.3%), and cardiovascular disease (33.0%).
  • Most patients had advanced CKD (stages G3b-G4) with a mean eGFR of 31.1 mL/min/1.73 m2; infections were the primary reason for admission (62.6%).

Conclusions:

  • CKD is common in hospitalized adults in Greece, especially among the elderly with multiple comorbidities.
  • Findings highlight the need for improved early detection, targeted management, and preventive strategies for this high-risk inpatient population.
Abstract

Keywords:
Chronic kidney diseasecomorbiditieshospitalized patientspoint-prevalence studyprevalence

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