• A Sharmin, A Nessa, S Firoz, N Akter, S Israt, and M I Dipa.
• Dr Afroza Sharmin, Lecturer, Department of Physiology, Mymensingh Medical College, Mymensingh, Bangladesh; E-mail: sharminafroz475@gmail.com.
• Mymensingh Med J. 2020 Apr 1; 29 (2): 269-272.

AbstractAt present Chronic obstructive pulmonary disease (COPD) is becoming one of the important global health problems. This study was done to evaluate the changes of percent saturation of oxygen in COPD patients in comparison to healthy person. This analytical type of cross sectional study was carried out in the Department of Physiology, Mymensingh Medical College, Mymensingh, Bangladesh from July 2018 to June 2019. A total number of 160 male subjects, age ranged from 30-70 years was included in this study. Among them, eighty (80) male COPD subjects were taken as study group (Group II) and eighty (80) age matched male healthy subjects were taken as control group (Group I). Percent saturation of oxygen was estimated by pulse oximeter. Data were expressed as mean±SD and statistical significance of difference among the group was calculated by unpaired students' 't' test. The mean±SD of percent saturation of oxygen of Group I and Group II were 98.30±0.74% & 90.65±3.27% respectively. The mean±SD of percent saturation of oxygen was significantly lower in study group in comparison with control group. Patients with COPD with greater changes in percent saturation of oxygen causes more frequent hospitalization and increased mortality and morbidity due to COPD related complications. So assessment of this parameter is important for prevention of complication related to COPD for leading a healthy life.

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