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. 2017 May 17;18:220. doi: 10.1186/s13063-017-1933-4

Table 3.

Baseline characteristics of the study population stratified in a pre-Hospital Elder Life Program (pre-HELP) and HELP group

All participating patients (N = 518) Patients included in the analyses of incident delirium (n = 340)
Pre-HELP (n = 174) HELP (n = 344) Pre-HELP HELP
n n n n
Age, median (IQR) 174 85 (80–88) 344 82.5 (78–87) 117 86 (81.5–89) 223 83 (79–88)
Sex (% male) 174 35.1 344 43.0 117 34.2 223 42.6
Level of education 156 301 117 223
Below secondary education (%) 37.5 43.2 36.3 42.2
Secondary/vocational education (%) 51.6 50.5 51.0 52.5
Higher education (%) 10.9 6.3 12.7 5.3
6CIT >10 (%) 173 23.1 341 23.5 117 27.4 223 25.3
Katz ADL 152 332 117 223
Independent (%) 38.2 44.6 35.9 40.8
Moderately dependent (%) 35.5 40.4 39.3 41.7
Severely dependent (%) 26.3 15.1 24.8 17.5
EQ-5D, mean (SD) 171 .42 (.33) 340 .45 (.31) 117 .43 (.33) 223 .44 (.31)
Self-rated Health by VAS, mean (SD) 167 58 (19) 331 56 (19) 117 58 (17) 223 54 (19)

IQR interquartile range, SD standard deviation, 6CIT Six-item Cognitive Impairment Test, ADL Activities of Daily Living, EQ-5D EuroQol 5 dimensions quality of life questionnaire, VAS Visual Analog Scale, ranging from 0–100