Epidemiology and outcomes of elderly patients requiring renal replacement therapy in the intensive care unit: an observational study

Table 2 Comparison of observed versus predicted (French speaking Swiss reference population)

	Observed	Predicted (1)	p value	95% CI of difference
EQ-5D health utility
55–65 yo	0.84 (0.21)	0.82 (0.01)	0.74	−0.07	0.10
> 65–75 yo	0.78 (0.24)	0.79 (0.01)	0.77	−0.08	0.06
> 75 yo	0.58 (0.31)	0.76 (0.02)	0.048	−0.35	−0.002
Visual analogue scale
55–65 yo	80 (15)	80.4 (1.1)	0.78	−7.26	5.50
> 65–75 yo	72 (21)	77.2 (1.2)	0.13	−11.50	1.52
> 75 yo	55 (25)	71.7 (1.9)	0.02	−31.0	−2.36

Values are mean (SD). Comparisons with one sample t-test on Observed – predicted difference
(1): Predicted values calculated according to Ref [15]

ISSN: 1471-2369