Table 3.

Clinical outcomes by diagnostic SaO2/FiO2 ratio cutoffs

Clinical outcomesDiagnostic SaO2/FiO2 ratio cutoff
All admissions, N = 227No home O2, n = 184Home O2, n = 43
<310≥310P value∗ <314≥314P value∗ <276≥276P value∗ 
Simple transfusion only, % 46 66 .005 40 66 .004 44 70 .09 
Red cell exchange, % 43 9 <.001 45 9 < .001 50 19 .05 
ICU transfer, % 49 11 <.001 45 11 < .001 69 22 .006 
Mean LOS, d 11.3 8.5 .03 9.6 8.5 .35 11.7 11.7 .92 
28-d readmission, % 26 22 .45 17 21 .55 31 41 .69 
Inpatient mortality, % 1 2 .87 2 2 - 0 0 - 
Clinical outcomesDiagnostic SaO2/FiO2 ratio cutoff
All admissions, N = 227No home O2, n = 184Home O2, n = 43
<310≥310P value∗ <314≥314P value∗ <276≥276P value∗ 
Simple transfusion only, % 46 66 .005 40 66 .004 44 70 .09 
Red cell exchange, % 43 9 <.001 45 9 < .001 50 19 .05 
ICU transfer, % 49 11 <.001 45 11 < .001 69 22 .006 
Mean LOS, d 11.3 8.5 .03 9.6 8.5 .35 11.7 11.7 .92 
28-d readmission, % 26 22 .45 17 21 .55 31 41 .69 
Inpatient mortality, % 1 2 .87 2 2 - 0 0 - 

Boldface values indicate P < .05.

∗

Multilevel logistic or linear regression models to determine P values.

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