Table 1.
Demographics of persons attending two emergency departments in London, Royal Free Hospital and University College London Hospital, between January and June 2015
| Royal Free Hospital | University College London Hospital | |||||||
|---|---|---|---|---|---|---|---|---|
| ED attendees | Residual blood sample taken for biochemistry | ED attendees | Residual blood sample taken for biochemistry | |||||
| n = 30 052 | % | n = 1287 | % | n = 45 858 | % | n = 1546 | % | |
| Sex | ||||||||
| Male | 14 170 | 47.2 | 608 | 47.2 | 22 515 | 49.1 | 749 | 48.4 |
| Female | 15 881 | 52.8 | 679 | 52.8 | 23 341 | 50.9 | 797 | 51.6 |
| Not reported | 1 | 2 | ||||||
| Age group | ||||||||
| 18–35 | 11 758 | 39.1 | 284 | 22.1 | 23 694 | 51.7 | 503 | 32.5 |
| 36–55 | 8916 | 29.7 | 353 | 27.4 | 12 776 | 27.9 | 451 | 29.2 |
| ⩾56 | 9378 | 31.2 | 650 | 50.5 | 9388 | 20.5 | 592 | 38.3 |
| Ethnicity | ||||||||
| White | 17 912 | 64.8 | 784 | 65.0 | 20 829 | 70.3 | 829 | 73.1 |
| Asian | 3820 | 13.8 | 180 | 14.9 | 2885 | 9.7 | 96 | 8.5 |
| Black | 2561 | 9.3 | 109 | 9.0 | 2868 | 9.7 | 105 | 9.3 |
| Other/mixed | 3370 | 12.2 | 134 | 11.1 | 3053 | 10.3 | 104 | 9.2 |
| Not reported | 2389 | 80 | 16 223 | 412 | ||||
| Re-attendance | ||||||||
| Yes | 5652 | 18.8 | 552 | 42.9 | 6866 | 15.0 | 577 | 37.3 |
| No | 24 400 | 81.2 | 735 | 57.1 | 38 992 | 85.0 | 969 | 62.7 |
| Registered with a GP | ||||||||
| Yes | 28 058 | 93.4 | 1244 | 96.7 | 35 720 | 77.9 | 1319 | 85.3 |
| No | 1994 | 6.6 | 43 | 3.3 | 10 138 | 22.1 | 227 | 14.7 |
| Time of attendance | ||||||||
| 00:00–07:59 | 3512 | 11.7 | 247 | 19.2 | 6026 | 13.1 | 120 | 7.8 |
| 08:00–15:59 | 14 249 | 47.4 | 526 | 40.9 | 21 732 | 47.4 | 978 | 63.3 |
| 16:00–23:59 | 12 291 | 40.9 | 514 | 39.9 | 18 100 | 39.5 | 448 | 29.0 |
| Day | ||||||||
| Weekday | 21 800 | 72.5 | 800 | 62.2 | 34 308 | 74.8 | 1250 | 80.9 |
| Weekend | 8252 | 27.5 | 487 | 37.8 | 11 550 | 25.2 | 296 | 19.1 |
| Reason for attendance | ||||||||
| Trauma and orthopaedics | 9512 | 36.4 | 210 | 19.4 | 16 256 | 43.6 | 238 | 21.0 |
| Infections | 2640 | 10.1 | 112 | 10.4 | 2639 | 7.1 | 113 | 10.0 |
| Cardiac conditions | 1850 | 7.1 | 141 | 13.0 | 1119 | 3.0 | 56 | 4.9 |
| Haematology | 102 | 0.4 | 10 | 0.9 | 78 | 0.2 | 7 | 0.6 |
| Central nervous system conditions | 1286 | 4.9 | 72 | 6.7 | 3141 | 8.4 | 178 | 15.7 |
| Respiratory conditions | 1340 | 5.1 | 79 | 7.3 | 2122 | 5.7 | 100 | 8.8 |
| Gastrointestinal conditions | 3348 | 12.8 | 202 | 18.7 | 3996 | 10.7 | 234 | 20.6 |
| Urological conditions | 1556 | 5.9 | 103 | 9.5 | 1570 | 4.2 | 67 | 5.9 |
| Obstetrics and gynaecological conditions | 849 | 3.2 | 39 | 3.6 | 1637 | 4.4 | 44 | 3.9 |
| Diabetes | 115 | 0.4 | 10 | 0.9 | 129 | 0.3 | 5 | 0.4 |
| Dermatology conditions and Allergy | 892 | 3.4 | 31 | 2.9 | 1039 | 2.8 | 19 | 1.7 |
| Maxillofacial, ENT conditions and ophthalmology | 1831 | 7.0 | 43 | 4.0 | 2574 | 6.9 | 47 | 4.1 |
| Psychological and social | 842 | 3.2 | 29 | 2.7 | 978 | 2.6 | 26 | 2.3 |
| Not reported | 3889 | 206 | 8580 | 412 | ||||
Proportions are calculated where information has been reported.