Table 5.

Trend analysis for major antimicrobial groups over four years of follow-up.

Isolate	Trend Equation	R2	p
Penicillins	y = 4.13x + 68.10	0.416	0.35
Cephalosporins	y = 1.48x + 87.18	0.344	0.41
Aminoglycosides	y = 2.15x + 79.22	0.350	0.41
Fluoroquinolones	y = 3.54x + 84.14	0.904	0.05
Carbapenems	y = 10.75x + 42.79	0.700	0.16
Vancomycin	y = −0.65x + 33.31	0.223	0.53

R²—coefficient of determination.