Selected article for: "association strength and risk factor"
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_27
    Snippet: Several potential confounding factors could have distorted the observed associations. Only three studies calculated appropriately adjusted ORs to account for confounding effects from age [24] , or age and season [21, 23] . Instead, matching of cases and controls was more commonly usedperformed by age [16, 18, 19, 25] , or age and month [23, 34] . Nevertheless, despite the use of matching, no studies maintained this pairing to allow OR meta-estima.....
    Document: Several potential confounding factors could have distorted the observed associations. Only three studies calculated appropriately adjusted ORs to account for confounding effects from age [24] , or age and season [21, 23] . Instead, matching of cases and controls was more commonly usedperformed by age [16, 18, 19, 25] , or age and month [23, 34] . Nevertheless, despite the use of matching, no studies maintained this pairing to allow OR meta-estimate calculation. While all studies were conducted on young children (under 5 years), six [15, 17, 25, 26, 31, 32] were further restricted. As age is an ALRI risk factor [50] , this could potentially affect the viral profile detected, introducing further heterogeneity. However, no enough data were provided to estimate the strength of association in narrower age bands.

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