Table 4.

Demographic data

Parameter	GWDF (n = 171)			CBR (n = 171)			P
	Mean	SD	Median	Mean	SD	Median
Age (years)	57.5	18.2	62	57.5	18.4	62	NS
Male/Female	99/72			114/157			NS
Endotracheal intubation (days)	16.9	12.2	14	20.3	12.3	18	0.03
Procedure time (min)	9.1	8.3	5.0	10.8	10.5	7.0	NS
Cannulation time (days)	38.4	63.4	24	29.6	39.8	18	NS
Time in ICU (days)	39.4	29.8	33	44.1	38.3	34	NS

CBR, Ciaglia Blue Rhino; GWDF, guide wire dilating forceps; ICU, intensive care unit; NS, not significant.