Table 2

Clinical findings
Group	Neurologically	Mechanically	Renal	Blood
	deficient	ventilation	insufficiency	loss			Hospital
	(n)	(h)	(n)	(ml/12 h)	Blood units/patient	ICU stay (h)	stay (days)

A (n = 97)	2	6.0 ± 5.2	0	453 ± 190	1.2 ± 1.6	22 ± 16	7.1 ± 1.5
B (n = 94)	1	5.2 ± 2.7	3	455 ± 190	1.1 ± 1.8	23 ± 16	7.3 ± 1.8
C (n = 96)	3	5.6 ± 2.9	2	361 ± 190^*	0.7 ± 1.4^†	25 ± 18	7.0 ± 1.5

ICU, intensive care unit. ^*P < 0.002 versus groups A and B; ^†P < 0.04 versus group A.
Mirow et al. Critical Care 2001 5(Suppl B):P11 doi:10.1186/cc1004