The Predictive Performance of a Pneumonia Severity Score in Human Immunodeficiency Virus–negative Children Presenting to Hospital in 7 Low- and Middle-income Countries

Abstract Background In 2015, pneumonia remained the leading cause of mortality in children aged 1–59 months. Methods Data from 1802 human immunodeficiency virus (HIV)–negative children aged 1–59 months enrolled in the Pneumonia Etiology Research for Child Health (PERCH) study with severe or very sev...

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Published in:Clinical infectious diseases Vol. 70; no. 6; pp. 1050 - 1057
Main Authors: Gallagher, Katherine E, Knoll, Maria D, Prosperi, Chrissy, Baggett, Henry C, Brooks, W Abdullah, Feikin, Daniel R, Hammitt, Laura L, Howie, Stephen R C, Kotloff, Karen L, Levine, Orin S, Madhi, Shabir A, Murdoch, David R, O’Brien, Katherine L, Thea, Donald M, Awori, Juliet O, Baillie, Vicky L, Ebruke, Bernard E, Goswami, Doli, Kamau, Alice, Maloney, Susan A, Moore, David P, Mwananyanda, Lawrence, Olutunde, Emmanuel O, Seidenberg, Phil, Sissoko, Seydou, Sylla, Mamadou, Thamthitiwat, Somsak, Zaman, Khalequ, Scott, J Anthony G
Format: Journal Article
Language:English
Published: US Oxford University Press 03.03.2020
Subjects:
Child
Child, Preschool
Developing Countries
Female
HIV
Hospitals
Humans
Infant
Pneumonia - epidemiology
Severity of Illness Index
severity index
pneumonia
prognosis/prognostic scores
respiratory disease
pneumococcal disease
ISSN:1058-4838, 1537-6591, 1537-6591
Online Access:Get full text
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Summary:Abstract Background In 2015, pneumonia remained the leading cause of mortality in children aged 1–59 months. Methods Data from 1802 human immunodeficiency virus (HIV)–negative children aged 1–59 months enrolled in the Pneumonia Etiology Research for Child Health (PERCH) study with severe or very severe pneumonia during 2011–2014 were used to build a parsimonious multivariable model predicting mortality using backwards stepwise logistic regression. The PERCH severity score, derived from model coefficients, was validated on a second, temporally discrete dataset of a further 1819 cases and compared to other available scores using the C statistic. Results Predictors of mortality, across 7 low- and middle-income countries, were age <1 year, female sex, ≥3 days of illness prior to presentation to hospital, low weight for height, unresponsiveness, deep breathing, hypoxemia, grunting, and the absence of cough. The model discriminated well between those who died and those who survived (C statistic = 0.84), but the predictive capacity of the PERCH 5-stratum score derived from the coefficients was moderate (C statistic = 0.76). The performance of the Respiratory Index of Severity in Children score was similar (C statistic = 0.76). The number of World Health Organization (WHO) danger signs demonstrated the highest discrimination (C statistic = 0.82; 1.5% died if no danger signs, 10% if 1 danger sign, and 33% if ≥2 danger signs). Conclusions The PERCH severity score could be used to interpret geographic variations in pneumonia mortality and etiology. The number of WHO danger signs on presentation to hospital could be the most useful of the currently available tools to aid clinical management of pneumonia. We developed a severity score for childhood pneumonia cases presenting to hospital and compared its ability to predict mortality with other tools. The findings reinforce the utility of World Health Organization danger signs and pulse oximetry for clinical management of pneumonia cases.
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ISSN:1058-4838
1537-6591
1537-6591
DOI:10.1093/cid/ciz350