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Table 4 Results of Firth logistic regressions predicting 28-day mortality

From: Systolic blood pressure variability in patients with early severe sepsis or septic shock: a prospective cohort study

Model

OR (95% CI)

p-value

Primary

 (Intercept)

0.020 (<0.001 to 1.48)

0.08

 PC1

1.16 (1.01 to 1.35)

0.04

 SBP

1.02 (0.974 to 1.06)

0.47

First ancillary

 (Intercept)

0.089 (0.024 to 0.225)

<0.001

 PC1

1.18 (1.03 to 1.38)

0.02

Second ancillary

 (Intercept)

0.022 (0.001 to 0.328)

0.004

 PC1

1.15 (0.998 to 1.34)

0.05

 APACHEII

1.06 (0.962 to 1.17)

0.26

Third Ancillary

 (Intercept)

0.048 (0.007 to 0.17)

<0.001

 PC1

1.22 (1.06 to 1.46)

0.008

 NEE dose

174.8 (0.57 to 10.5x105)

0.07