| ORIGINAL ARTICLE |
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| Year : 2014 | Volume
: 16
| Issue : 2 | Page : 47-51 |
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Cardiothoracic ratio and body mass index in normal young adult Nigerians
John E Ekedigwe1, Stephen D Pam1, Peter O Binitie2, Anil U Sirisena1, Mohammed Hameed1, Emmanuel O Adegbe3
1 Department of Radiology, Jos University Teaching Hospital, Jos, Nigeria
2 Department of Surgery, Jos University Teaching Hospital, Jos, Nigeria
3 Department of Community Medicine, Jos University Teaching Hospital, Jos, Nigeria
Correspondence Address:
Dr. John E Ekedigwe
Department of Radiology, Jos University Teaching Hospital, Jos
Nigeria
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/2276-7096.139044
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Background: Interest is growing in the value of the cardiothoracic ratio in clinical evaluation of patients, and the factors that influence its relevance. This study attempts to explore the normal values of the cardiothoracic ratio and asses its relation to the body mass index (BMI), height weight and age, of normal young Nigerians in a highland plateau area of Nigeria.
Methodology: In this prospective study, a total of 100, standard posterior-anterior chest radiographs taken from normal adult Nigerians (41 females and 59 males) in Jos environment were reviewed. From the Chest radiographs, the cardiac diameters (CDs) were measured at the widest point of the cardiac silhouette. The thoracic diameter (TD) was taken at the costophrenic insertion of the diaphragm. Using these data the cardiothoracic ratio (CTR) was computed. Body index was calculated based on the formula Weight (Kg)/Height 2 (m 2 (Kgm -²) while CTR was determined by dividing the CD by the TD. Degree of correlation was assessed for all the parameters and analysis was made for regression and correlation coefficients using SPSS statistical package.
Results: The age range of all subjects was from 17 years to 44 years with a mean age of 24.93 ± 7.42 years. The mean age for the males was 25.59 ± 7.04 years and for the females 23.98 ± 7.92 years. The average cardiothoracic ratio in males was 0.46 ± 0.04 while in females it was 0.457 ± 0.042 showing a slightly higher but not significant CTR in males at the P = 0.05 significance level. The mean BMI for males and females were 26.94 ± 3.97 (Kgm -²) and 28.94 ± 5.26 (Kgm -²) respectively. The averageCD, TD, for males and females were 1.7 ± 0.039 m, 12.86 ± 1.22 cm, 27.88 ± 1.82 cm, and 1.5 ± 0.057 cm, 11.7 ± 1.19 cm, 25.65 ± 1.85, respectively.
Conclusion: The CTR did not correlate strongly with the BMI. |
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