a statistical trendP < .10
The multivariable models were restricted to the primary independent variable (aspirin initiation timing) and covariates demonstrating either a statistical trend ( P < .10) or established clinical relevance.
The multivariable models were restricted to the primary independent variable (aspirin initiation timing) and covariates demonstrating either a statistical trend ( P < .10) or established clinical relevance.
The incidence of PTB was higher in the early aspirin group (22.2%) than in the late group (12.9%), however, this difference did not reach statistical significance ( P = .199).