Table 2.

Antimticrobial Susceptibility of samples resistant to three quinolones according to age range.

	< 15		15-45		46-59		≥ 60		Valor de p*
	n	%	n	%	n	%	n	%
Amikacin	17	100	146	99.5	166	100	338	99.6	<0.001
Gentamicin	17	100	140	72.9	135	81.3	350	75.9	0.031
Amoxicillin-clavulanic	15	88.2	146	76	130	78.3	338	73.3	0.339
Ampicillin	02	11.8	32	16.7	46	27.7	89	19.3	0.041
Piperacillin-tazobactan	15	88.2	178	92.7	158	95.2	417	90.5	0.246
Cephalothin	05	29.4	62	32.3	58	34.9	127	27.5	0.294
Cefepime	13	76.5	154	80.2	140	84.3	359	77.9	0.349
Ceftriaxone	13	76.5	152	79.2	141	84.9	353	76.6	0.158
Cefuroxime	12	70.6	140	72.9	122	73.5	291	63.1	0.024
Ertapenem	17	100	192	100	161	97	456	98.9	0.076
Meropenem	17	100	192	100	164	98.8	457	99.1	0.414
Nitrofurantoin	16	94.1	184	95.8	159	95.8	426	92.4	0.254
TMP/SMX	07	41.2	81	42.2	78	47	200	43.4	0.809
ESBL	05	29.4	37	19.3	24	14.5	105	22.8	0.102
TOTAL	17	100	192	100	166	100	461	100

^⁎p-value chi-square and Fisher's Exact test.

Variables with significant association (p < 0.05): Amikacin, gentamicin, cefuroxime, ertapenem.