Table 2. Statistical correlations of different patients’ clinical and epidemiological factors, (from whom P. aeruginosa was isolated), with MDR/XDR phenotypes.

Factor		MDR/XDR			P	OR(95% CI)
		–	+	Total
Units	Medical	38	27	65	0.871
	ICU	10	26	36	0.030	3.4(1.2-10.2)
	Surgery	18	9	27	0.462
	Outpatient	13	10	23	0.748
	Pediatric/Neonatal	15	10	25	0.807
Sample	Blood	7	12	19	0.003	7.9(2.1-30.2)
	Bronchial secretion	11	16	27	0.003	6.7(2.0-23.0)
	Diabetic foot ulcer	13	28	41	<0.001	9.9(3.1-31.9)
	Skin secretion	40	21	61	0.117
	Other a	23	5	28	0.002	0.2(0.1-0.6)
Stay	Short (<10 days)	70	43	113	0.019	2.3(1.1-4.)
	Long (≥10 days)	21	29	50
Sex	Male	53	55	108	0.355
	Female	35	27	62
Age	<10 years	13	11	24	0.964
	10-60 years	52	41	93	0.721
	>60 years	16	18	34	0.573
Previous antimicrobial treatment	No	78	44	122	<0.001	4.2(2.1-8.4)
	Yes	16	38	54

P: probability, OR: Odds Ratio, CI: confidence interval.

^aOther types of samples: urine, sputum, ear swabs, eye and vagina.