Table 3.

Adjusted Univariate Outcomes by Severity of Illness

Treatment group	HBOT treatedn=4	Controln=76	p value
Severity of Illness: minor
Length of stay (median days)	12	6	0.480
Hospital direct cost (mean)	$22,105	$10,516	0.316
At least one complication	50%	14%	0.122
In-hospital mortality	<1%	2.5%	0.900
Severity of illness: moderate	N=20	N=149
Length of stay (median days)	13	10	0.510
Hospital direct cost mean)	$27,578	$18,694	0.120
At least one complication	55%	43%	0.348
In-hospital mortality	17.6%	4.9%	0.115
Severity of illness: moderate	N=44	N=642
Length of stay (median days)	14	13	0.68
Hospital direct cost (mean)	$29,005	$24,517	0.088
At least one complication	41%	54%	0.117
In-hospital mortality	2.3%	5.9%	0.376
Severity of illness: extreme	N=49	N=579
Length of stay (median days)	23	19	0.147
Hospital direct cost (mean)	$58,382	$42,635	0.156
At least one complication	45%	66%	0.004*
In-hospital mortality	4.2%	23%	<0.01*

HBOT=hyperbaric oxygen treatment.