Table 3.

Results of multiple linear regression* of aggregated weekly outcomes pre and post introduction of the MCN

Outcome	Difference in level post vs. pre		Difference in slope post vs. pre
	Regression Coefficient (se)	p-value*	Regression coefficient (se)	p-value*
Immediate aspirin	−35.9 (16.9)	0.037	0.937 (0.561)	0.099
Median pain to needle time (log transformed)	−1.207 (0.605)	0.051	0.025 (0.010)	0.014

^*Adjusted for time trends, autocorrelation and co-morbidity.