Table 1.

Baseline Characteristics of the Patients

Variable	Combined (N=97)	Surgical ICU (N=45)	Trauma ICU (N=52)
Demographic data
Age	48 [36–60]	55 [46–67]	41 [25–50]
Sex (Male)	52% (50)	38% (17)	63% (33)
Race (White)	88% (84)	93% (42)	84% (42)
Charlson Comorbidity Index	0 [0–2]	1 [0–3]	0 [0–0]
APACHE II	24 [18–28]	25 [18–29]	23 [19–27]
SOFA	8 [7–10]	9 [7–10]	8 [7–9]
Injury Severity Score (ISS)	NA	NA	20 [16–29]
Revised Trauma Score (RTS)	NA	NA	6 [4–7]
Trauma and Injury Severity	NA	NA	0.9 [0.6–1.0]
Score (TRISS)
Primary admission diagnoses
Hemorrhage	14% (14)	18% (8)	12% (6)
Airway or facial trauma	21% (20)	11% (5)	29% (15)
Chest trauma	8% (8)	0% (0)	15% (8)
Colonic or gastric trauma	5% (5)	0% (0)	10% (5)
Gastric surgery	8% (8)	16% (7)	2% (1)
Hepatobiliary-pancreatic surgery	4% (4)	7% (3)	2% (1)
Neurosurgical trauma	7% (7)	2% (1)	12% (6)
Orthopedic trauma	7% (7)	2% (1)	12% (6)
Septic shock or ARDS	9% (9)	20% (9)	0% (0)
Other primary diagnosis	15% (15)	24% (11)	8% (4)
Outcomes
Days on ventilator	2 [1–6]	4 [1–13]	2 [1–3]
Length of hospital stay	11 [7–20]	13 [8–23]	9.5 [5–19.2]
Length of ICU stay	5 [3–10]	8 [4–19]	5 [3–8]
Hospital survival	86% (83)	78% (35)	92% (48)

^*Median with interquartile range when applicable