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Volume 23, Number 11—November 2017
Research

Retrospective Observational Study of Atypical Winter Respiratory Illness Season Using Real-Time Syndromic Surveillance, England, 2014–15

Sue SmithComments to Author , Roger Morbey, Richard G. Pebody, Thomas C. Hughes, Simon de Lusignan, F. Alex Yeates, Helen Thomas, Sarah J. O’Brien, Gillian E. Smith, and Alex J. Elliot
Author affiliations: Public Health England, Birmingham, UK (S. Smith, R. Morbey, G.E. Smith, A.J. Elliot); Public Health England, London, UK (R.G. Pebody); John Radcliffe Hospital, Oxford, UK (T.C. Hughes); Royal College of Emergency Medicine, London (T.C. Hughes); Royal College of General Practitioners, London (S. de Lusignan); University of Surrey, Guildford, UK (S. de Lusignan); Advanced Health and Care, Ashford, UK (F.A. Yeates); National Health Service England, Leeds, UK (H. Thomas); University of Liverpool, Liverpool, UK (S.J. O’Brien)

Main Article

Table 2

Comparison of mean daily rate/percentage of selected respiratory indicators over weeks 51–3 between 2014–15 and previous 2 winters, England*

Syndromic surveillance
Age group, y
Indicator
 System
 <1
 1–4
 5–14
 15–44
 45–64
 65–74
 >75
 All ages
URTI
 GPIH
0.178
 0.270
 0.540
 0.086
 0.066
 0.010
 0.002
 0.066
ARI GPOOH 0.807 0.713 0.903 0.713 0.391 0.111 0.050 0.540
EDSSS
0.178
 0.624
 0.624
 0.142
 0.037
 0.111
 0.005
 0.142
ILI GPIH 0.391 0.221 0.462 0.178 0.142 0.007 0.005 0.142
GPOOH 0.327 0.327 0.540 0.624 0.713 0.221 0.037 0.462
EDSSS
0.480
 0.312
 0.061
 0.010
 0.178
 0.009
 0.019
 0.007
Cold/influenza
 NHS 111
0.410
 0.016
 0.009
 0.009
 0.009
 0.009
 0.016
 0.009
Fever
 NHS 111
0.602
 0.251
 0.009
 0.076
 0.602
 0.175
 0.602
 0.175
LRTI
 GPIH
0.462
 0.270
 0.327
 0.111
 0.086
 0.020
 0.005
 0.028
Pneumonia GPIH 0.037 0.178 0.462 0.002 0.003 0.007 0.002 0.002
EDSSS
0.156
 0.713
 0.266
 0.178
 0.111
 0.066
 0.020
 0.028
Cough
 NHS 111
0.917
 0.347
 0.117
 0.047
 0.028
 0.028
 0.047
 0.175
DB
 NHS 111
0.347
 0.465
 0.465
 0.175
 0.117
 0.076
 0.028
 0.175
A/W/DB EDSSS 0.221 0.066 0.624 0.391 0.086 0.807 0.391 0.540
GPOOH
0.624
 1.000
 0.462
 0.111
 0.111
 0.028
 0.020
 0.178
Asthma GPIH 0.167 0.903 0.178 0.028 0.003 0.005 0.003 0.005

*Activity during winter 2014–15 is compared to combined mean activity during previous 2 winters and results of Mann-Whitney test are presented as p values. Statistically significant (at 95% confidence level) results are in bold. ARI, acute respiratory tract infection; A/W/DB, asthma/wheeze/difficulty breathing; DB, difficulty breathing; EDSSS, emergency department syndromic surveillance system; GP, general practitioner; GPIH, GP in hours; GPOOH, GP out of hours; ILI, influenza-like illness; LRTI, lower respiratory tract infection; URTI, upper respiratory tract infection.

Main Article

Page created: October 16, 2017
Page updated: October 16, 2017
Page reviewed: October 16, 2017
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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