Table 2.

Demographic data (mean ± SD, %).

	Group 1 (Outreach ICU) (n = 70)	Group 2 (open) (n = 443)	P value
Age (mean ± SD)	60.58 ± 22.5	62.4 ± 19.3	>0.05
Gender (male : female)	51 : 19	256 : 187	>0.05
Diagnosis on admission (%)
Severe sepsis	2.9 (n = 2)	15.5 (n = 69)	<0.05**
Trauma	20 (n = 14)	18.7 (n = 83)	0.8
COPD exacerbation	8.5 (n = 6)	7.2 (n = 32)	0.8
Acute ischemic stroke	24.2 (n = 17)	7.2 (n = 32)	<0.0001**
Intracerebral hemorrhage	15.7 (n = 11)	7.9 (n = 35)	<0.04**
Anoxic brain injury	11.4 (n = 8)	7.2 (n = 32)	0.2
Other	17.1 (n = 12)	36.1 (n = 160)	<0.005**

*Other diagnoses on admission included severe left ventricular dysfunction, severe tricuspid regurgitation, mitral regurgitation, brain space-occupying lesion, brain abscess, meningitis, acute pancreatitis, amyotrophic lateral sclerosis, other demyelinating diseases of the CNS, and pulmonary embolism.

**P value < 0.05 was defined as statistically significant.