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Table 1 Number of the factors scored with indication of the site where the factor was included

From: Risk factors for delirium in intensive care patients: a prospective cohort study

 

n

Community hospital (n = 210)

Private hospital (n = 123)

University hospital (n = 190)

domain patient characteristics

age in years (mean, SD)

523

X

X

X

age more than 65 years

523

X

X

X

gender masculine

523

X

X

X

living single at home

182

X

 

X

units of alcohol per day

230

X

 

X

daily use of alcohol

496

X

X

X

daily use of more than three units of alcohol

230

X

 

X

number of cigarettes per day

221

X

 

X

daily smoking

519

X

X

X

daily smoking of more than 10 cigarettes

217

X

 

X

domain chronic pathology

predisposing cognitive impairment

384

X

X

X

predisposing cardiac disease

265

X

 

X

predisposing pulmonary disease

262

X

 

X

domain acute illness

length of stay in the ICU before inclusion

523

X

X

X

   length of stay in the ICU before inclusion >1 day

523

X

X

X

   length of stay in the ICU before inclusion >2 days

523

X

X

X

admission for internal medicine

523

X

X

X

high risk of mortality (SAPS >40; APACHE > 24)

212

X

 

X

   APACHE II

120

X

 

X

   SAPS II

108

X

  

highest TISS 28 score

179

X

 

X

mean TISS 28

179

X

 

X

TISS 28 cut off 30 (318 minutes)

279

X

 

X

psychoactive medication

424

X

X

X

   benzodiazepine

283

X

X(low response)

X

   morphine

287

X

X(low response)

X

   sedation

228

X

X(low response)

X

endotracheal tube or tracheastomy

390

X

 

X

gastric tube

395

X

 

X

bladder catheter

400

X

 

X

arterial catheter

398

X

 

X

number of perfusions

400

X

 

X

more than three perfusions

398

X

 

X

number of vascular catheters

400

X

 

X

no normal food

395

X

 

X

fever

397

X

 

X

domain environmental factors

admission via emergency room

377

X

 

X

admission via transfer

377

X

 

X

open room in intensive care

508

X

X

X

isolation

523

X

X

X

no visible daylight

523

X

X

X

no clock present or visible

523

X

X

X

number of visitors

256

X

X

X

no visit

269

X

X

X

physical restraints

292

X

 

X

  1. APACHE = Acute Physiology And Chronic Health Evaluation; ICU = intensive care unit; SAPS = Simplified Acute Physiology Score; SD = standard deviation; TISS 28 = The Therapeutic Intervention Scoring System-28.