Demographic and clinical characteristics of patients
| Elective | Emergency | |
| No of patients with one or more included admission eligible for analysis (first admission) | 22 538 | 29 122 |
| Mean age/years (at time of first admission) | 53.9±18.1 | 56.2±21.7 |
| No of male patients (percentage) | 12 142 (53.9%) | 13 800 (47.4%) |
| Ethnicity | ||
| White | 16 153 (71.7%) | 19 596 (67.3%) |
| South Asian | 2642 (11.7%) | 4203 (14.4%) |
| Black | 943 (4.2%) | 1489 (5.1%) |
| Other | 806 (3.6%) | 1434 (4.9%) |
| Not known | 1994 (8.8%) | 2400 (8.2%) |
| Admitting specialty on first admission | ||
| General medicine | 1545 (6.9%) | 20 174 (69.3%) |
| General surgery | 2150 (9.5%) | 3061 (10.5%) |
| Trauma and orthopaedics | 2307 (10.2%) | 1486 (5.1%) |
| Neurosurgery | 1866 (8.3%) | 639 (2.2%) |
| Urology | 1411 (6.3%) | 587 (2.0%) |
| Cardiology | 1821 (8.1%) | 469 (1.6%) |
| Clinical and medical oncology | 1263 (5.6%) | 549 (1.9%) |
| Ear, nose and throat | 1401 (6.2%) | 389 (1.3%) |
| Plastic surgery | 2138 (9.5%) | 304 (1.0%) |
| Maxillo-facial surgery | 849 (3.8%) | 252 (0.9%) |
| All others | 5787 (25.7%) | 1212 (4.2%) |
| Mean no of admissions/patient | 1.6 | 1.5 |
| No of admissions in which the patient was ineligible for analysis throughout an admission | 60 | 494 |
The demographics, mode of admission and admitting specialty on first admission, of the 52 214 patients that were subject to NEWS2 analysis, contributing 36 182 elective and 42 249 emergency admissions. In 554 admissions the patient was ineligible for inclusion in analysis throughout the spell (187 due to admission and discharge from ICU and 367 due to a DNACPR decision).
DNACPR, do-not-attempt-cardiopulmonary-resuscitation; ICU, intensive care unit; NEWS2, National Early Warning Score 2.