Author: Shi, Ting; McLean, Kenneth; Campbell, Harry; Nair, Harish
Title: Aetiological role of common respiratory viruses in acute lower respiratory infections in children under five years: A systematic review and meta–analysis Document date: 2015_6_17
ID: 13cotyfb_16
Snippet: All included studies were case-control studies with an ALRI and asymptomatic/URTI groups; however some variations were still present. Of the case definitions employed, most used ALRI/ARI (n=13), while others used (severe) pneumonia (n=8), SARI (n=1) or bronchiolitis (n=1). All studies used control group which had no respiratory symptoms, of which 10 were considered otherwise "healthy", and 2 studies [23, 25] also reported URTI as control group. O.....
Document: All included studies were case-control studies with an ALRI and asymptomatic/URTI groups; however some variations were still present. Of the case definitions employed, most used ALRI/ARI (n=13), while others used (severe) pneumonia (n=8), SARI (n=1) or bronchiolitis (n=1). All studies used control group which had no respiratory symptoms, of which 10 were considered otherwise "healthy", and 2 studies [23, 25] also reported URTI as control group. Of the case ascertainment used, all articles contained inpatient data. Among them, 3 studies also provided outpatient data [19, 21, 25] . Twenty controls were ascertained in hospital-based outpatient/clinic sites while 3 were identified in community [15, 17, 25] .
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