marginal significancep = 0.057
Model 1: Multivariable Regression Predicting Hemorrhage Following PN Overall assessment of conditional logistic regression models In the analysis of our whole sample predicting bleeding following PN, the statistically significant variables left in the model were age, surgical approach, bleeding disorder, Pre-op BUN, Pre-op Alb, Pre-op Hct, and Pre-op PTT ( p < 0.05), with a marginal significance for COPD ( p = 0.057) (Table 2 ).