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Positive Effect of Higher Adult Body Mass Index on Overall Survival of Digestive System Cancers Except Pancreatic Cancer: A Systematic Review and Meta-Analysis
- Source :
- BioMed Research International, Vol 2017 (2017), BioMed Research International
- Publication Year :
- 2017
- Publisher :
- Hindawi Limited, 2017.
-
Abstract
- High body mass index (BMI) has been inconsistently associated with overall survival (OS) of digestive system cancers (DSCs). This meta-analysis was conducted to investigate whether high BMI was associated with DSCs prognosis. 34 studies were accepted, with a total of 23,946 DSC cases. Hazard ratios (HRs) with 95% confidence intervals (95% CIs) for OS in BMI categories from individual studies were extracted and pooled by random-effect model. The overall HR of DSCs except pancreatic cancer for OS of adult overweight cases was 0.76 (95% CI = 0.67–0.85). DSC individuals except pancreatic cancer with adult obesity were at decreased risk for OS (HR = 0.85, 95% CI = 0.72–0.98). Among DSC patients except pancreatic cancer, the overall HR for the highest versus the lowest BMI category was 0.82 (95% CI = 0.71–0.92). Additionally, comparing the highest and lowest BMI categories, the combined HR of pancreatic cancer was 1.22 (95% CI = 1.01–1.43). Our meta-analysis suggested an increased OS among adult overweight and obese DSC survivors except pancreatic cancer. Overweight and obesity in adulthood may be important prognostic factors that indicate an increased survival from DSC patients except pancreatic cancer.
- Subjects :
- Adult
Male
medicine.medical_specialty
lcsh:Medicine
Review Article
Overweight
Gastroenterology
General Biochemistry, Genetics and Molecular Biology
Disease-Free Survival
Body Mass Index
03 medical and health sciences
0302 clinical medicine
Risk Factors
Internal medicine
Pancreatic cancer
medicine
Humans
030212 general & internal medicine
Obesity
Survival rate
Gastrointestinal Neoplasms
General Immunology and Microbiology
business.industry
Hazard ratio
lcsh:R
General Medicine
medicine.disease
Confidence interval
Survival Rate
Endocrinology
030220 oncology & carcinogenesis
Meta-analysis
Female
medicine.symptom
business
Body mass index
Subjects
Details
- Language :
- English
- ISSN :
- 23146141 and 23146133
- Volume :
- 2017
- Database :
- OpenAIRE
- Journal :
- BioMed Research International
- Accession number :
- edsair.doi.dedup.....ddee55a4d53fbe2df1ece5685a533e55