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. Author manuscript; available in PMC: 2018 Jul 1.
Published in final edited form as: Crit Care Med. 2017 Jul;45(7):1232–1239. doi: 10.1097/CCM.0000000000002406

Table 2.

Separate multivariate testing of association of respiratory variables with mortality (logistic regression) and successful extubation (competing risk regression)

Variable
(per increase of 1 SD)		 Mortality
Successful extubation
Adjusted OR
(95% CI)		 p value Adjusted SHR
(95% CI)		 p value
PIP at 24 hours 1.40 (0.99 to 1.97) 0.052 0.71 (0.63 to 0.81) < 0.001
PEEP at 24 hours 1.55 (1.07 to 2.23) 0.020 0.79 (0.70 to 0.89) < 0.001
ΔP at 24 hours 1.26 (0.89 to 1.79) 0.195 0.76 (0.67 to 0.86) < 0.001
Cdyn at 24 hours 0.80 (0.53 to 1.21) 0.293 1.24 (1.12 to 1.36) < 0.001
PaO2/FiO2 at 24 hours 0.54 (0.36 to 0.81) 0.003 1.56 (1.36 to 1.76) < 0.001
ΔPIP 1.36 (0.98 to 1.90) 0.068 0.72 (0.64 to 0.81) < 0.001
ΔPEEP 1.53 (1.09 to 2.13) 0.013 0.77 (0.68 to 0.86) < 0.001
ΔΔP 1.21 (0.85 to 1.72) 0.282 0.77 (0.69 to 0.87) < 0.001
ΔCdyn 0.89 (0.62 to 1.29) 0.546 1.19 (1.06 to 1.35) 0.004
ΔPaO2/FiO2 0.50 (0.31 to 0.79) 0.003 1.65 (1.43 to 1.91) < 0.001

Adjusted for PRISM III, immunocompromised status, and PaO2/FiO2 at ARDS onset