In the mixed effect model adjusting for weight at time of procedure and number of preoperative comorbidities, this term did not reach statistical significance ( p = 0.070), however the effect observed in the propensity score model parallels that of the random effects model ( p = 0.021).
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A comparison of postoperative outcomes with PDA ligation in the OR versus the NICU: a retrospective cohort study on the risks of transport.
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0.0700
0.0700