Table 1

Characteristics of the study population

FemaleMaleTotal
Total (N=75 342)39 157 (52.0%)36 185 (48.0%)75 342 (100.0%)
Patient characteristics
 Ethnicity
 White30 27426 58056 854 (75.5%)
 Mixed263261524 (0.7%)
 Asian or Asian British9428361778 (2.4%)
 Black or Black British388363751 (1.0%)
 Other361341702 (0.9%)
 Not known or stated6929780414 733 (19.6%)
Age (years)
 <2010829182000 (2.7%)
 20–29413734567593 (10.1%)
 30–39440133917792 (10.3%)
 40–49499541319126 (12.1%)
 50–595706567611 382 (15.1%)
 60–695815653812 353 (16.4%)
 70–796081667412 755 (16.9%)
 80–89508444129496 (12.6%)
 >8918569892845 (3.8%)
Median age (IQR)58 (40–75)60 (43–74)59 (41–74)
Admission characteristics
Main specialty
 Medical17 02313 02730 050 (39.9%)
 Surgical21 20222 01443 216 (57.4%)
 Other93211442076 (2.8%)
Admission method
 Emergency21 54219 58641 383 (54.9%)
 Elective17 32316 59633 919 (45.0%)
 Other37340 (0.1%)
Hypertension code
 Yes962210 04719 669 (26.1%)
 No29 53526 13855 673 (73.9%)