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Table 5 Characteristics of patients interviewed according to the presence or absence of infection at any time

From: Application of the Italian version of the Intensive Care Unit Memory tool in the clinical setting

  Presence of infection  
Parameter No Yes P
Number of patients 49 38  
Male sex 27 (55%) 24 (63%) 0.296
Age (years) 69.2 ± 10.3 62.4 ± 17.9 0.028
Unscheduled ICU admission 23 (47%) 26 (68%) 0.020
APACHE II score 13 (11–18) 15 (12–17) 0.297
SAPS II score 33 (27–39) 38 (30–46) 0.004
Max body temperature (°C) 37.7 ± 0.6 38.3 ± 0.8 0.001
Mean daily dose of morphine (mg) 23 ± 13 61 ± 167 0.150
Duration (days) of    
   Stay in ICU 5.3 ± 5.1 12.7 ± 14.9 0.001
   Mechanical ventilation 2.4 ± 2.0 10.0 ± 13.7 0.001
Number of    
   Factual events 8 (5–9) 7 (6–8) 0.523
   Feelings 1 (0–2) 2 (1–3) 0.007
   Delusional memories 0 (0–1) 1 (0–2) 0.005
  1. Severity scores Acute Physiology and Chronic Health Evaluation (APACHE) II and Simplified Acute Physiology Score (SAPS) II are reported as median (interquartile range). The number of factual, feelings and delusional memories are reported both as median (interquartile range) and as range. Statistically significant findings are highlighted in bold. ICU, intensive care unit.