Related Experiment Video
Updated: Apr 17, 2026

Cefoperazone-treated Mouse Model of Clinically-relevant Clostridium difficile Strain R20291
Published on: December 10, 2016
Is obesity a risk factor for Clostridium difficile infection?
Emma Punni1, Jaime L Pula2, Fady Asslo3
1Department of Medical Education, St. Joseph's Regional Medical Center, Paterson, NJ, USA.
This study found that obesity, measured by body mass index (BMI), was not a significant risk factor for Clostridium difficile infection (CDI) in adults. The findings indicate obesity may not universally increase CDI risk.
Area of Science:
- Infectious Diseases
- Epidemiology
- Obesity Research
Background:
- Clostridium difficile infection (CDI) epidemiology is increasingly studied due to rising hospital-acquired (HA) and community-acquired (CA) cases.
- Obesity has recently been suggested as an independent risk factor for CDI.
Purpose of the Study:
- To investigate obesity as an exposure for both HA and CA CDI.
- To analyze obesity's role in adult patients (≥18 years) at a tertiary care facility.
Main Methods:
- A case-control study design was employed.
- 189 CDI cases and 189 matched controls were analyzed using cross-sectional BMI data.
- Data were collected between January 2012 and July 2013.
Main Results:
- No statistically significant difference in BMI was found between CDI cases and controls (median BMI: 26.5 vs. 26.0 kg/m²).
- BMI values were substantially equivalent between the groups (p=0.696).
- Odds ratios at BMIs of 25, 30, and 35 kg/m² did not reach statistical significance.
Conclusions:
- Obesity, defined by BMI, may not be a universal risk factor for CDI.
- Further research may be needed to understand the relationship in diverse populations.
More Related Videos
Related Concept Videos
Factors Affecting the Risk of Infection
The integrity and count of the white blood cells help the body resist pathogens and fight infection. When impaired, it reduces the body's resistance to pathogens. The acidic pH levels of the gastrointestinal, genitourinary tracts, and skin...
Obesity
Pharmacokinetics in Obese Patients: Drug Absorption and Distribution
Inflammatory Bowel Disease III: Crohn's Disease
Inflammatory Bowel Disease II: Crohn's Disease
Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by...
Drug Dosing: Obese Patients

