Table 1

Descriptive statistics for all patients included in the study

VariableTotal sample
(n=12 949)		Dementia diagnosis
(n=3530)		Death without a dementia diagnosis
(n=5788)
Age at index episode of delirium
Mean (SD)		82.3 (7.8)83.2 (7.0)82.7 (8.1)
Male sex
number (%)		5036 (39%)1262 (36%)2458 (42%)
SIMD 2009 quintile
number (%)		First—4976 (38%)
Second—2341 (18%)
Third—1986 (15%)
Fourth—1673 (13%)
Fifth—1973 (15%)		First—1359 (38%)
Second—595 (17%)
Third—620 (18%)
Fourth—515 (15%)
Fifth—441 (12%)		First—2247 (39%)
Second—1050 (18%)
Third—885 (15%)
Fourth—672 (12%)
Fifth—934 (16%)

  • SIMD, Scottish Index of Multiple Deprivation.