TABLE 3.

Connection between macrolide resistance versus azithromycin and total macrolide consumption^a

Antimicrobial	Effect	Parameter estimate	SE	DF	P
Azithromycin	Intercept	0.063	0.046	15	0.191
	Time	0.030	0.005	13	<0.001
	Drug	0.172	0.075	36	0.028
Macrolides	Intercept	−0.002	0.054	15	0.971
	Time	0.030	0.004	13	<0.001
	Drug	0.095	0.030	36	0.003

^aParameter estimates, standard errors (SE), degrees of freedom (DF), and P values were obtained by fitting a linear mixed model for repeated measures.