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Table 1 Characteristics of participants according to delirium status

From: Autonomic cardiovascular control in older patients with acute infection and delirium: a pilot study of orthostatic stress responses

Characteristic All Participants, n = 14 Delirium, n = 5 No Delirium, n = 9 P-value*
Age, median (range) 86 (74–91) 89 (84–91) 86 (74–89) 0.3
Women, n (%) 7 (50) 1 (20) 6 (67) 0.1
BMI, kg/m2, median (range) 23 (17–30) 21 (18–26) 23 (17–30) 0.7
Admitting diagnosis, n (%)   0.6
 Pneumonia/Respiratory Tract Infection 8 (57) 4 (80) 4 (44)  
 Urinary Tract Infection 4 (29) 1 (11) 3 (33)
 Erysipelas 1 (7) 0 1 (11)
 Cholecystitis 1 (7) 0 1 (11)
Number of days from admission to HUT testing, median (range) 2 (1–5) 2 (2–2) 3 (1–5) 0.2
CRP maximum value, mg/L, median (range) 164 (24–347) 204 (70–306) 149 (24–347) 0.6
CRP value at HUT, mg/L, median (range) 110 (7–306) 174 (67–306) 62 (7–191) 0.04
Leukocytes, maximal count, cells*109/L, median (range) 16 (5–24) 18 (10–20) 13 (5–24) 0.4
APACHE II score at HUT, median (range) 7 (6–10) 8 (7–10) 6 (6–10) 0.2
MDAS score, median (range) 8 (1–16) 16 (12–16) 4 (1–10) 0.001
Delirium subtype, n (%)
 Hypoactive delirium   4 (80)  
 Hyperactive delirium
 Mixed-type delirium 1 (20)
CIRS score, median (range) 12 (1–19) 14 (7–19) 10 (1–17) 0.1
IQCODE score, median (range) 3.7 (3.0–5.0) 3.6 (3.0–4.4) 3.7 (3.0–5.0) 0.7
IQCODE score > 3.82, n (%) 6 (43) 2 (40) 4 (44) 0.9
NEADL index score, median (range)   28 (9–30) 52 (13–66) 0.1
Barthel Index score, median (range) 17.5 (6–20) 17 (15–18) 19 (6–20) 0.3
Clinical Dementia Rating, median (range) 0.5 (0–2) 0.5 (0.5–2) 0.5 (0–2) 1.0
MMSE score, median (range) 21 (12–28) 15 (12–23) 21 (14–28) 0.04
  1. BMI Body Mass Index, IQCODE Informant Questionnaire on Cognitive Decline in the Elderly, CRP C-reactive protein, APACHE Acute Physiology and Chronic Health Evaluation, HUT Head-up tilt test, CIRS Cumulative Illness Rating Scale, CDR Clinical Dementia Rating scale, MMSE Mini-Mental State Examination
  2. *Chi-square tests and Mann-Whitney tests