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

Table 3 Comparisons and correlations of IPREA scores with respect to patients’ characteristics

		18 items*	p-value	16 items*	p-value
		M (SD) / R	p-value	M (SD) / R	p-value
Sex	Men	21.4 (13.6)	0.18	21.5 (13.,7)	0.355
Sex	Women	22.6 (13.9)		22.5 (14.1)
Age	<=65 years	22.9 (14.1)	0.017	23.1 (14.3)	0.007
Age	> 65 years	20.8 (13.3)		20.7 (13.4)
Knaus score	Normal	22.9 (14.3)	0.192	23.3 (14.4)	0.090
Knaus score	Moderate/severe	21.6 (13.6)		21.5 (13.7)
MacCabe	Non fatal disease	22.5 (14.1)	0.080	22.6 (14.2)	0.045
MacCabe	Fatal disease	20.9 (13.2)		20.8 (13.4)
Type of admission	Medical	23.5 (14.6)	0.001	23.4 (14.7)	0.006
Type of admission	Surgical	20.2 (12.6)		20.5 (12.8)
SAPS II		0.099	0.002	0.088	0.006
Mechanical ventilation	No	21.6 (14.0)	0.417	21.6 (14.1)	0.416
Mechanical ventilation	Yes	22.0 (13.5)		22.1 (13.7)
Non mechanical ventilation	No	21.1 (13.4)	0.032	21.3 (13.6)	0.115
Non mechanical ventilation	Yes	23.3 (14.1)		23.0 (14.2)
Vasopressors administration	No	21.7 (13.6)	0.203	21.8 (13.7)	0.146
Vasopressors administration	Yes	30.6 (20.8)		31.5 (20.8)
Renal replacement therapy	No	21.3 (13.4)	0.132	21.4 (13.4)	0.170
Renal replacement therapy	Yes	22.7 (14.3)		22.7 (14.4)
ICU stay duration		0.231	0.001	0.219	0.132

*scores ranging from 0 to 100; the higher the score, the higher the discomfort
SAPS II Simplified Acute Physiology Score II (range from 0 to 156, with higher scores indicating more severe illness)

ISSN: 1477-7525