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ORIGINAL ARTICLE
Year : 2004  |  Volume : 11  |  Issue : 1  |  Page : 11-16

The validity of clinical criteria in predicting pneumonia among children under five years of age


Mosul Medical College, Mosul, Iraq

Correspondence Address:
Samim A Al-Dabbagh
Mosul Medical College, Mosul
Iraq
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Source of Support: None, Conflict of Interest: None


PMID: 23012040

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Background: Pneumonia is a major cause of morbidity and mortality, especially among infant and young children. Early diagnosis and treatment is essential to reduce the risk. To achieve this, physicians require high quality diagnostic indicators. The aim of the present study is to assess the validity of clinical symptoms and signs in predicting pneumonia among children below the age of 5 years. Patients and Methods: This is a case series study for a sample of 103 children aged 4 days-59 months who were admitted to Al-Khanssa Teaching Hospital, Mosul, Iraq, suffering from respiratory symptoms and for whom a chest x-ray was requested. Sensitivity, specificity, predictive values and likelihood ratios were estimated for each clinical criterion. Results: Pneumonia was diagnosed on radiological bases in about 70% of the patients. All symptoms had high sensitivity with very low specificity. The best positive predictive values for symptoms were for fast and difficult breathing. However, the signs of Crackle, Tachypnoea, nasal flarring and chest indrawing yielded the best sensitivity estimates. Moreover, a body temperature of ≥38 °C was the best single predictor of pneumonia with a sensitivity of 67% and specificity of 75.8%. The absence of the 3 signs (nasal flaring, chest indrawing and crackles) ruled out pneumonia effectively. The sensitivity of this combination of signs was 98.6%. Detecting a body temperature ≥38 °C and grunting simultaneously was adequate to confirm the disease. Conclusions: The study suggests that using clinical criteria in combination could improve physicians' prediction of pneumonia among children.


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Journal of Family and Community Medicine | Published by Wolters Kluwer - Medknow
Online since 05th September, 2010