The comparison of hematological factors between employees of S.G.P.C Gas Company and a population of general employees

Articles in Press

Document Type : Original Article

Authors

1 Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran

2 1 Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran 2 Metabolic Syndrome Research Center, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran

3 Mashhad University of Medical Sciences, Mashhad, Iran; 99199-91766, Tel: +985138412840, Fax: +985138412840,

4 3 Petroleum Industry Health Organization, Mashhad, Iran.

5 Mashhad University of Medical Sciences, Mashhad, Iran

6 Brighton & Sussex Medical School, Division of Medical Education, Falmer, Brighton, Sussex BN1 9PH, UK.

7 International UNESCO center for Health Related Basic Sciences and Human Nutrition, Mashhad University of Medical Sciences, Mashhad, Iran

10.22038/jctm.2025.91610.1514

Abstract

Objectives

The aim of our study was to compare complete blood count (CBC) parameters between two populations to determine out if there is a need for intervention to improve the health status of workers in the work place.

Methods

This study utilized a comparative cross-sectional studydesign. A total of 654 male workers aged 20-69 years at the Shahid Hasheminejad Gas Processing Company (S.G.P.C) were included. Additionally, a control group of employees in Mashhad city (N=681), matched for age and sex, were enrolled in the study. Fasting blood samples were collected from both groups and blood parameters for all participants were analyzed.

Results

Employees exposed to gas in S.G.P.C had higher white blood cell (WBC) and red blood cell (RBC) count compared to the control group (P-value<0.05). Furthermore, mean corpuscular hemoglobin concentration (MCHC) and mean corpuscular hemoglobin (MCH) were significantly higher in the control group (P-value<0.01). However, there was no significantly difference in hemoglobin (Hb) levels between the two groups (P-value>0. 05).

Conclusion

Occupational status and working environment may contribute to higher RBC and WBC counts in exposed workers.

Keywords

Journal of Cardio-Thoracic Medicine

Articles in Press, Accepted Manuscript
Available Online from 29 October 2025

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