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. Author manuscript; available in PMC: 2015 Dec 8.
Published in final edited form as: J Trauma. 2009 May;66(5):1327–1335. doi: 10.1097/TA.0b013e31819ea047

Table 5.

Institutional predictors of WOCO

Multivariate Analysis controlling for Age, ISS and MAX Head AIS

Institutional characteristics OR(95% CI)
Trauma Center 1.56(1.06,2.30)
Closed ICU 1.53(1.03,2.25)
Member of council of teaching hospitals 1.32(0.89,1.97)
Admission per year (each 100 increase) 0.999(0.995,1.003)
Number of beds (each 100 increase) 0.987(0.930,1.047)