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. Author manuscript; available in PMC: 2013 Jul 28.
Published in final edited form as: J Crit Care. 2009 Aug 13;24(4):568–574. doi: 10.1016/j.jcrc.2009.05.015

Table 1.

Demographics and admitting services

Protocol (n = 25) Historical control (n = 19) P
Age (y) 47.1 ± 18.3 55.5 ± 19.9 .15
Female (%) 24 15.5 .71
APACHE II a 21 {15–25} 22 {15–29} .38
ICU length of stay (d) 13.7 ± 10.6 11.8 ±11.4 .61
Days with mechanical ventilation 9.5 ± 9.6 10.2 ± 12.1 .85
Admitting services, n (%)
 Trauma 12 (48) 6 (31.6)
 Neurosurgery 10 (40) 6 (31.6)
 Cardiothoracic surgery 1 (4) 4 (21.0)
 General surgery 2 (8) 0
 Peripheral vascular surgery 0 3 (15.8)

Data are presented as mean ± standard deviation.

a

Data are presented as median {25%–75% interquartile range}.