Confusion, blood urea, respiration and blood pressure 65, pneumonia severity index and shock index and hypoxemia scores in community acquired pneumonia and outcome prediction: a descriptive study from Dr B R Ambedkar Memorial Hospital Raipur, India

Background: According to WHO, pneumonia is the third important cause of death worldwide despite various advances in medical science. Incidence of Community acquired pneumonia is about 20% to 30% in developing countries compared to 3% to 4 % in developed countries. Incidence of CAP is much higher in the very young and the elderly individuals. Objectives of the study was to compare CURB 65, PSI (Pneumonia severity index) and SIPF (shock index and hypoxemia) scores with respect to outcome prediction in community acquired pneumonia (CAP).Methods: The present hospital based descriptive observational study was conducted in the Dept of medicine, Pt. J.N.M. Medical College and Dr B. R. A. M. Hospital, Raipur, during 2016-2018 involving a total of 98 patients of community acquired pneumonia.Results: Majority of them i.e. 22 (22.4%) subjects belonged to age group 41-50 years. 34 (34.7%) subjects were found to have CURB65 score 1. 28(28.6%) subjects PSI score was noted to be class I. 89 (90.8%) subjects were discharged while, there was death of 9 (9.2%) subjects. The difference in the mean score was statistically significant (p<0.001). PSI score was found to have diagnostic sensitivity of 94.4% and specificity of 100% while CURB 65 score having 83.1% sensitivity and 100 % specificity. SIPF score had least AUC 0.88.Conclusions: Maximum diagnostic ability was noted with PSI score followed by CURB 65 and SIPF score.