Table 1

Characteristics of the patient samples

PMOS-44
N= 2002
Data collected 2013– 2014
PMOS-30
N= 751
Data collected 2015– 2016
PMOS-10
N= 165
Data collected 2017– 2018
Ward typeMedicine=41.20%
Surgery=56.60%
Mixed=2.20%
Medicine=41.10%
Surgery=49.00%
Paediatrics=9.90%
Medicine=49.70%
Surgery=50.30%
Age median, range65, 8760, 10057, 71
GenderFemale=50.0% 
Male=50.0%
Female=53.5% 
Male=44.7%
Female=55.2% 
Male=44.8%
Length of stay in days median, range3, 1674, 903, 49
EthnicityAfrican0.3%African0.1%African1.2%
Bangladeshi0.1%Bangladeshi0.1%Bangladeshi0.6%
British93.5%British89.7%Black African0.6%
Caribbean0.6%Indian1.5%Indian1.2%
Chinese0.2%Irish0.7%Irish0.6%
Indian0.5%Other1.9%Other Asian Background0.6%
Irish0.6%Other Background0.1%Pakistani7.9%
Other1.2%Other Ethnic Background0.5%White & Black Caribbean0.6%
Other Background0.3%Pakistani4.3%White & Asian1.2%
Other Mixed Background0.2%White & Asian0.1%White British83.6%
Pakistani1.0%Missing0.9%Other White Background1.8%
White & Black Caribbean0.2%
Missing1.1%