Critical Care Nurses Inadequately Assess SAPS II Scores of Very Ill Patients in Real Life

Table 5

Mean differences between the gold standards and nurse-assessed SAPS II scores concerning the values of the different items composing the SAPS II score, overall, and by tertiles.

Variable		Mean difference (gold standard − nurse value)
	Overall	Low SAPS II (6–31 points)	Medium SAPS II (32–47 points)	High SAPS II (48–111 points)
Heart rate	2.0	0.6	1.5	4
Systolic blood pressure	2.8	0.6	2	5.8
Temperature	0.1	0	−0.1	0.2
Oxygenation	−0.2	−0.7	−0.3	0.45
Urinary output	−1.3	−1.5	−0.9	−1.5
Urea	−0.1	−2.6	1.2	1.2
Leucocytes	0.1	0.1	−0.2	0.4
Potassium	0.4	0.0	0.5	0.5
Sodium	0.0	0.0	0.0	0
Bicarbonate	0	−0.8	0.2	0.5
Bilirubin	−0.6	−1	−0.5	−0.3
Glasgow Coma Scale	1.2	0.0	0.2	3.6
Age	0.0	0.0	−0.1	0
Chronic diseases	−0.1	−0.2	0.3	−0.4
Type of admission	−0.4	−0.4	−0.4	−0.4
ΔSAPS II sum scores	3.8	−5.9	3.3	14.0