Table 3. Distribution of P. aeruginosa isolates according to susceptibility phenotype among the ICUs in the referral hospital.

	MultiS/ModR	MDR/XDR	P-value*
ICU
AICU	11	17
PICU	9	5	0.0003
NICU	12	0

ICU, intensive care unit; AICU, adult intensive care unit; PICU, pediatric intensive care unit; NICU, neonatal intensive care unit; MultiS, susceptible to all tested antibiotics; ModR, moderately resistant; MDR, multi-drug resistant; XDR, extensively drug-resistant.

* P value was calculated using the G-test of independence.