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. Author manuscript; available in PMC: 2014 Nov 1.
Published in final edited form as: Surgery. 2013 Sep 26;154(5):1110–1116. doi: 10.1016/j.surg.2013.05.025

Table 3.

Multivariate analysis for full model including the regression coefficient ± standard error, Wald chi square statistic, and p-value.

Coefficient Wald Chi Square p-value
Heart Rate 0.032 ± 0.01 17.19 0.00003
Respiratory Rate 0.056 ± 0.01 15.19 0.00010
Pulse Oxygen Saturation (SpO2) −0.081 ± 0.02 16.09 0.00006
RR-SpO2 Correlation Coefficient −0.967 ± 0.31 9.69 0.0019
Age 0.035 ± 0.01 10.12 0.0015
Days Since Extubation −0.086 ± 0.02 24.25 <0.00001