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. 2020 Oct 7;135(6):737–745. doi: 10.1177/0033354920959080

Table 2.

Residual errors for the original model before and after the introduction of a rotavirus vaccine in July 2013, by surveillance system and indicator, England, 2005-2016

System and indicator Average of square of daily residualsa Percentage increase
Preintervention Postintervention
NHS 111b : vomiting 9004.5 26 829.7 198
NHS 111b : diarrhea 3309.9 9113.0 175
GPOOHSSc : gastroenteritis 5999.4 15 533.4 159
EDSSSd : gastroenteritis 42.7 89.5 109
EDSSSd : vomiting 7.4 13.7 86
GPOOHSSe: vomiting 685.5 1160.1 69
GPOOHSSe: diarrhea 431.7 649.1 50
EDSSSd : diarrhea 14.8 21.1 42

aA residual is the difference between baseline and observed counts.

bNational Health Service (NHS) 111 is a national free telephone health information advice line for England.27

cGeneral Practitioner Out-Of-Hours and unscheduled care Syndromic Surveillance (GPOOHSS) system.29

dEmergency Department Syndromic Surveillance System (EDSSS) captures data on emergency department visits.30