. Author manuscript; available in PMC: 2019 Feb 1.

Published in final edited form as: Pediatr Crit Care Med. 2018 Feb;19(2):e88–e96. doi: 10.1097/PCC.0000000000001399

Table 3.

Competing risk regression for successful extubation (subdistribution hazard ratio > 1 means associated with earlier extubation) by 28 days after pediatric acute respiratory distress syndrome onset

Model	Subdistribution hazard ratio	95% CI	p value
Any transfusion
PRISM III at 12 hours	0.98	0.96 to 0.99	0.001
Immunocompromised (yes)	0.66	0.46 to 0.94	0.020
PaO₂/FiO₂ at 24 h (per increase in 20)	1.11	1.09 to 1.14	< 0.001
Any transfusion (yes)	0.79	0.63 to 1.01	0.056
Any RBC
PRISM III at 12 hours	0.98	0.96 to 0.99	0.001
Immunocompromised (yes)	0.69	0.48 to 0.98	0.037
PaO₂/FiO₂ at 24 h (per increase in 20)	1.11	1.08 to 1.14	< 0.001
Any RBC (yes)	0.65	0.51 to 0.83	0.001
Any FFP
PRISM III at 12 hours	0.97	0.96 to 0.99	< 0.001
Immunocompromised (yes)	0.62	0.43 to 0.89	0.009
PaO₂/FiO₂ at 24 h (per increase in 20)	1.11	1.09 to 1.15	< 0.001
Any FFP (yes)	0.99	0.72 to 1.37	0.970
Any platelets
PRISM III at 12 hours	0.97	0.96 to 0.99	0.001
Immunocompromised (yes)	0.65	0.45 to 0.94	0.024
PaO₂/FiO₂ at 24 h (per increase in 20)	1.12	1.08 to 1.15	< 0.001
Any platelets (yes)	0.90	0.64 to 1.26	0.526

FFP: fresh frozen plasma; PRISM: Pediatric Risk of Mortality; RBC: red blood cells