Table 1

Characteristics of the sample population at each site (who met the inclusion criteria)


 Variable
Site 1 (emergency department)Site 2 (emergency department)Site 3 (urgent care centre)
(Development dataset)Visits=9972Visits=13 429
Visits=21 480Participants=7817Participants=9971
Participants=15 484
SummaryMin/maxMissing (%)SummaryMin/maxMissing (%)SummaryMin/maxMissing (%)
 Age in years (median, IQR)3 (1–8)0/1507 (3–12)0/1506 (2–10)0/150
 Gender000
 Female9384 (44%)4486 (45%)6131 (54%)
 Ethnicity000
 White British11 162 (52%)7081 (71%)7046 (52%)
 Irish+Gypsy or Irish Traveller34 (0%)26 (0%)61 (0%)
 Other white569 (3%)298 (3%)369 (3%)
 White and black Caribbean158 (1%)89 (1%)51 (0%)
 White and black African121 (1%)53 (1%)80 (1%)
 White and Asian255 (1%)118 (1%)217 (2%)
 Other mixed294 (1%)107 (1%)244 (2%)
 Indian75 (0%)45 (0%)51 (0%)
 Pakistani4245 (20%)1165 (12%)61 (0%)
 Bangladeshi2060 (10%)36 (0%524 (4%)
 Chinese46 (0%)42 (0%)29 (0%)
 Other Asian+Asian/Asian British302 (1%)202 (2%)213 (2%)
 African374 (2%)114 (1%)242 (2%)
 Caribbean24 (0%)8 (0%)21 (0%)
 Other Black+Black/African/Caribbean/Black British149 (1%)54 (1%)168 (1%)
 Unknown/not stated1010 (5%)270 (3%)169 (1%)
Heart rate (mean/SD)121.6 (30.5)11104.5 (26.1)4109.7 (27.0)2
Temperature (median/IQR)36.9 (36.5 to 37.4)32.6/41.71036.7 (36.4 to 37.1)34.4/41.1336.7 (36.4 to 37.1)35.0/41.21
Respiratory rate26 (22 to 32)10/90*1022 (20 to 26)Dec-88324 (20 to 26)Dec-802
Oxygen saturation99 (98 to 100)63/1001099 (98 to 100)70/100499 (99 to 100)67/1002
Requires supplement oxygen386 (2%)031 (0%)099 (1%)0
Breathing200
 None of the above19 678 (93%)9713 (98%)13 038 (98%)
 Audible grunt52 (0%)9 (0%)25 (0%)
 Wheeze709 (3%)135 (1%)190 (1%)
 Stridor52 (0%)6 (0%)9 (0%)
 Tracheal tug624 (3%)68 (1%)102 (1%)
Recession000
 No recession18 757 (87%)9748 (98%)12 900 (96%)
 Mild recession1764 (8%)153 (2%)338 (3%)
 Moderate743 (3%)43 (0%)114 (1%)
 Severe213 (1%)27 (0%)75 (1%)
Responsiveness000
 Alert21 044 (98%)9775 (98%)13 252 (99%)
 Responds to pain53 (0%)10 (0%)5 (0%)
 Responds to voice126 (1%)15 (0%)19 (0%)
 Unresponsive253 (1%)171 (2%)151 (1%)
Nurse judgement000
 No concern6476 (30%)6894 (69%)9888 (74%)
 Low level concern11 645 (54%)2756 (28%)3268 (24%)
 Child looks unwell/high concern3355 (16%)321 (3%)271 (2%)
Behaviour000
 Normal for age20 349 (95%)9720 (97%)13 105 (98%)
 Agitated356 (2%)105 (1%)121 (1%)
 Floppy138 (1%)22 (0%)23 (0%)
 Inappropriate54 (0%)9 (0%)8 (0%)
 Listless579 (3%)115 (1%)170 (1%)
 Multi-morbidity749 (3%)0148 (1%)0551 (4%)0
Arrived by ambulance4539 (21%)020 (0%)050 (0%)0
Admitted now or next 7 days6810 (32%)0600 (6%)01009 (8%)0
  • *This was the highest value that could be entered.