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. Author manuscript; available in PMC: 2019 Apr 1.
Published in final edited form as: J Crit Care. 2017 Oct 5;44:18–23. doi: 10.1016/j.jcrc.2017.10.003

Table 3.

Estimates of intervention effect using a Poisson GEE model.

Effects Unadjusted % change p-Value Adjusted % changea p-Value
Immediate change in daily pCXR rate after intervention −23.2% (−32%, −13.2%) <0.001 −24.7% (−33.3%, −15%) <0.001
Change per month in daily pCXR rate since study began −0.2% (−1.5%, 1.2%) 0.79 −0.7% (−2%, 0.6%) 0.26
Additional change per month in daily pCXR rate post intervention 1.2% (−1.1%, 3.6%) 0.30 2.8% (0.7%, 4.9%) 0.008
a

Adjusting for patient severity characteristics.