Table 7.

Trends of antimicrobial resistance mechanisms in gram negative isolates among pediatric and adult patients (n = 231).

Bacterial isolates	Total number (%)	Pediatric patients (n = 90)	Adult patients (n = 141)	p value
Salmonella enterica n = 49
MDR	0 (0.0)	0 (0.0)	0 (0.0)	—
NARS	42 (85.7)	7 (77.7)	35 (87.5)	0.381
Escherichia coli n = 20
MDR	10 (50.0)	3 (37.5)	7 (58.3)	0.325
ESBL	6 (30.0)	2 (25.0)	4 (33.3)	0.545
MBL	2 (10.0)	0 (0.0)	2 (16.7)	0.347
Klebsiella spp. n = 7
MDR	5 (71.4)	1 (33.3)	4 (100)	0.143
ESBL	3 (42.8)	1 (33.3)	2 (50.0)	0.629
MBL	2 (28.5)	0 (0.0)	2 (50.0)	0.286
Pseudomonas spp. n = 39
MDR	16 (41.0)	2 (25.0)	14 (45.1)	0.269
ESBL	5 (12.8)	2 (25.0)	3 (9.6)	0.268
MBL	0 (0.0)	0 (0.0)	0 (0.0)	—
Acinetobacter spp. n = 30
MDR	22 (73.3)	6 (66.6)	16 (76.1)	0.453
ESBL	5 (16.7)	3 (33.3)	2 (9.5)	0.143
MBL	2 (6.6)	1 (11.1)	1 (4.7)	0.517

GNB: gram negative bacteria.