Volume 23, Number 11—November 2017
Research
Retrospective Observational Study of Atypical Winter Respiratory Illness Season Using Real-Time Syndromic Surveillance, England, 2014–15
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.