Table 5. Comparison of the hospital stay length, platelet transfusion use and costs stratified by criteria use and the type of health care system.

Hospitalization Criteria
	With criteria		U-test	All cases	Without criteria		U-test	All cases
	Public(n = 119)	Private(n = 118)			Public(n = 13)	Private(n = 38)
Time (days)
Median	3	4	0.4004	4	2	2	0.9035	2
IQR	(5-2)	(6-3)	(6-3)		(3-1)	(3-1)	-	(3-3)
Mean	4.6	4.6	-	4.6	2.3	2.6	-	2.5
±SD	±4.5	±3.3	-	±3.9	±1.3	±2	-	±1.7
Costs (US$)
Median	183.9	592.8	<.0001	265.9	174.5	262.6	0.0318	195.3
IQR	(212-169.8)	(1045-351.5)	-	(658-184)	(183.9-169.8)	(501.4-137.6)	-	(430.6-167.9)
Mean	452	1159	-	804	215.2	520.6	-	442.7
±SD	±1003	±2557.6	-	±1967.5	±120.2	±811.3	-	±713.2