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Table 1 Sample characteristics

From: Assessment of patients’ self-perceived intensive care unit discomforts: Validation of the 18-item version of the IPREA

  N = 994
At admission   N (%)
 Sex Men 643 (64.7)
Women 351 (35.3)
 Age (years) M (SD) 63.2 (15.6)
 Type of patients Medical 486 (48.9)
Scheduled surgical 308 (31.0)
Emergency surgical 200 (20.1)
 Knaus score Normal health status 228 (22.9)
Moderate/severe limitation 766 (77.1)
 MacCabe score Non-fatal disease 597 (60.1)
Ultimately/rapidly fatal disease 397 (39.9)
 SAPS II M (SD)
m [IQR]
35.6 (16.6)
33 [23–46]
During ICU stay
 Mechanical ventilation   531 (53.4)
 Noninvasive ventilation   333 (33.5)
 Vasopressors administration   388 (39.0)
 Renal replacement therapy   85 (8.6)
 ICU stay duration (days) M (SD)
m [IQR]
7,8 (9,6)
5 [3–8]
  1. M (SD) Mean (standard deviation), m [IQR] Median [interquartile range]
  2. SAPS II Simplified Acute Physiology Score II (range from 0 to 156, with higher scores indicating more severe illness)