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Association between obesity and frequency of high‑grade prostate cancer on biopsy in men: A single‑center retrospective study

  • Authors:
    • Raffaele Baio
    • Giorgio Napodano
    • Christian Caruana
    • Giovanni Molisso
    • Umberto Di Mauro
    • Olivier Intilla
    • Umberto Pane
    • Costantino D'Angelo
    • Antonella Bianca Francavilla
    • Claudio Guarnaccia
    • Francesca Pentimalli
    • Roberto Sanseverino
  • View Affiliations / Copyright

    Affiliations: Department of Medicine and Surgery ‘Scuola Medica Salernitana’, University of Salerno, Baronissi, I‑84081 Salerno, Italy, Department of Urology, Ospedale del Mare, I‑80147 Naples, Italy, Department of Chemistry, University of Malta, Msida MSD2080, Malta, Department of Urology, Umberto I Hospital, Nocera, Inferiore, I‑84014 Salerno, Italy, Department of Medical Biotechnologies, University of Siena, I‑53100 Siena, Italy, Department of Civil Engineering, University of Salerno, Fisciano, I‑84084 Salerno, Italy, Department of Medicine and Surgery, LUM University, I‑70010 Bari, Italy
    Copyright: © Baio et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Article Number: 127
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    Published online on: June 20, 2022
       https://doi.org/10.3892/mco.2022.2560
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Abstract

The present study aimed to investigate the relationship between BMI and the prostate cancer (PCa) risk at biopsy in Italian men. Retrospective analyses of the clinical data of 2,372 consecutive men undergoing ultrasound‑guided multicore (≥10) prostate biopsy transrectally between May 2010 and December 2018 were performed. BMIs were categorized, according to Western countries' classification of obesity, as follows: <18.5 kg/m2 (underweight), 18.5‑24.99 kg/m2 (normal weight), 25‑30 kg/m2 (overweight) and >30 kg/m2 (obese). The distribution of patients undergoing biopsy was compared with a model population from the official survey data. Patient characteristics and the relationships between characteristics were investigated using correlation analysis, ANOVA, Kruskal‑Wallis and Dunn's tests. The present study estimated the influence on cancer incidence not only of BMI but also of other patient characteristics using multi‑variable logistic modelling and compared, using the models, the expected outcomes for patients who differed only in BMI. From a sample of 2,372 men, the present study enrolled 1,079 men due to a lack of clinical data [such as prostate specific antigen (PSA) and BMI data] in the other patients undergoing prostate biopsy. Their distribution was significantly different from the model distribution with the probability of undergoing biopsy increasing with increasing BMI. The median age was 69.4 years. The median BMI was 26.4 kg/m2, while the median PSA level was 7.60 ng/ml. In total, the biopsies detected PCa in 320 men (29.7%) and high‑grade PCa (HGPCa) in 218 men (20.2%). Upon applying the aforementioned Western countries' criteria for BMI categories, there were 4 (0.4%) underweight, 318 (29.5%) of normal weight, 546 (50.6%) overweight, and 211 (19.6%) obese patients. ANOVA/Kruskal‑Wallis tests revealed that overweight and obese men were younger than the normal‑weight men, while there was no statistical difference in their PSA values. Furthermore, 29.3% of normal‑weight men, 29.5% of overweight men and 29.9% of obese men were diagnosed with PCa, while 19.5% of normal‑weight men, 20.1% of overweight men and 21.8% of obese men were affected by severe cancer. BMI was found to be positively correlated with PCa risk and negatively correlated with both age and PSA level. Age and PSA level were both positively correlated with PCa risk, while digital rectal examination (DRE) outcome was strongly indicative of PCa discovery if the test outcome was positive. Logistics models attributed a positive coefficient to BMI when evaluated against both PCa risk and HGPCa risk. In patients having a negative DRE outcome who differed only in BMI, logistic regression showed a 60% increased risk of PCa diagnosis in obese patients compared with in normal‑weight patients. This risk difference increased when other characteristics were less indicative of PCa (younger age/lower PSA), while it decreased when patient characteristics were more indicative (older age/higher PSA, positive DRE). In conclusion, the present study demonstrated that, in men with higher BMIs, the risk of PCa is higher. The relative difference in risk between low and high BMI is most pronounced in younger patients having a lower PSA level and a negative DRE outcome.
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Copy and paste a formatted citation
Spandidos Publications style
Baio R, Napodano G, Caruana C, Molisso G, Di Mauro U, Intilla O, Pane U, D'Angelo C, Francavilla AB, Guarnaccia C, Guarnaccia C, et al: Association between obesity and frequency of high‑grade prostate cancer on biopsy in men: A single‑center retrospective study. Mol Clin Oncol 17: 127, 2022.
APA
Baio, R., Napodano, G., Caruana, C., Molisso, G., Di Mauro, U., Intilla, O. ... Sanseverino, R. (2022). Association between obesity and frequency of high‑grade prostate cancer on biopsy in men: A single‑center retrospective study. Molecular and Clinical Oncology, 17, 127. https://doi.org/10.3892/mco.2022.2560
MLA
Baio, R., Napodano, G., Caruana, C., Molisso, G., Di Mauro, U., Intilla, O., Pane, U., D'Angelo, C., Francavilla, A. B., Guarnaccia, C., Pentimalli, F., Sanseverino, R."Association between obesity and frequency of high‑grade prostate cancer on biopsy in men: A single‑center retrospective study". Molecular and Clinical Oncology 17.2 (2022): 127.
Chicago
Baio, R., Napodano, G., Caruana, C., Molisso, G., Di Mauro, U., Intilla, O., Pane, U., D'Angelo, C., Francavilla, A. B., Guarnaccia, C., Pentimalli, F., Sanseverino, R."Association between obesity and frequency of high‑grade prostate cancer on biopsy in men: A single‑center retrospective study". Molecular and Clinical Oncology 17, no. 2 (2022): 127. https://doi.org/10.3892/mco.2022.2560
Copy and paste a formatted citation
x
Spandidos Publications style
Baio R, Napodano G, Caruana C, Molisso G, Di Mauro U, Intilla O, Pane U, D'Angelo C, Francavilla AB, Guarnaccia C, Guarnaccia C, et al: Association between obesity and frequency of high‑grade prostate cancer on biopsy in men: A single‑center retrospective study. Mol Clin Oncol 17: 127, 2022.
APA
Baio, R., Napodano, G., Caruana, C., Molisso, G., Di Mauro, U., Intilla, O. ... Sanseverino, R. (2022). Association between obesity and frequency of high‑grade prostate cancer on biopsy in men: A single‑center retrospective study. Molecular and Clinical Oncology, 17, 127. https://doi.org/10.3892/mco.2022.2560
MLA
Baio, R., Napodano, G., Caruana, C., Molisso, G., Di Mauro, U., Intilla, O., Pane, U., D'Angelo, C., Francavilla, A. B., Guarnaccia, C., Pentimalli, F., Sanseverino, R."Association between obesity and frequency of high‑grade prostate cancer on biopsy in men: A single‑center retrospective study". Molecular and Clinical Oncology 17.2 (2022): 127.
Chicago
Baio, R., Napodano, G., Caruana, C., Molisso, G., Di Mauro, U., Intilla, O., Pane, U., D'Angelo, C., Francavilla, A. B., Guarnaccia, C., Pentimalli, F., Sanseverino, R."Association between obesity and frequency of high‑grade prostate cancer on biopsy in men: A single‑center retrospective study". Molecular and Clinical Oncology 17, no. 2 (2022): 127. https://doi.org/10.3892/mco.2022.2560
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