Diarrhea and Colds in Child Day Care Centers: Impact of Various Numerator and Denominator Definitions of Illness Episodes
BACKGROUND:Numerators and denominators used to estimate infections’ incidence rates (IRs), incidence rate ratios (IRRs), and differences (IRDs) vary. Our objective is to quantify the impact of various common definitions for illness episodes (numerators) and person-time at risk (denominators) in esti...
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Veröffentlicht in: | Epidemiology (Cambridge, Mass.) Mass.), 2009-11, Vol.20 (6), p.796-799 |
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