Table 3.

The susceptibility rates of P. aeruginosa in different ward classification from 2007 to 2013 (n = 1386).

Isolates (n)	Wards	Antimicrobial Agents	Antimicrobials Susceptibility (%) by Year							Correlation
			2007	2008	2009	2010	2011	2012	2013	r	p
Blood (98)	All wards (98)	Imipenem/cilastatin	100.00	83.33	53.85	77.78	61.54	58.33	78.57	−0.50	0.250
		Meropenem	100.00	83.33	53.85	77.78	53.85	58.33	71.43	−0.61	0.149
		MDR-PA	16.67	23.08	53.58	18.75	46.15	29.41	28.57	0.22	0.629
	Non-ICU wards (72)	Imipenem/cilastatin	100.00	88.89	54.55	75.00	63.64	77.78	50.00	−0.70	0.083
		Meropenem	100.00	88.89	54.55	75.00	63.64	77.78	50.00	−0.70	0.083
		MDR-PA	22.22	10.00	54.55	21.43	50.00	16.67	50.00	0.38	0.398
	ICU wards (26)	Imipenem/cilastatin	100.00	66.67	50.00	100.00	50.00	0.00	100.00	−0.28	0.549
		Meropenem	100.00	66.67	50.00	100.00	0.00	0.00	85.71	−0.39	0.383
		MDR-PA	0.00	66.67	50.00	0.00	33.33	60.00	12.50	0.02	0.965
Sputum and BAL (1288)	All wards (1288)	Imipenem/cilastatin	65.81	87.17	74.58	80.84	67.25	61.39	70.44	−0.39	0.394
		Meropenem	66.67	80.34	74.43	83.23	70.06	63.70	69.85	−0.30	0.507
		MDR-PA	22.49	17.39	21.02	18.24	14.20	34.35	23.03	0.34	0.450
	Non-ICU wards (930)	Imipenem/cilastatin	72.00	86.21	75.37	81.48	67.18	62.34	73.79	−0.49	0.270
		Meropenem	72.00	78.16	76.69	83.70	69.77	62.34	76.14	−0.28	0.548
		MDR-PA	17.86	20.00	19.55	19.69	12.30	33.62	18.49	0.07	0.879
	ICU wards (358)	Imipenem/cilastatin	54.76	90.00	72.09	78.13	67.50	61.05	64.29	−0.22	0.630
		Meropenem	57.14	86.67	67.44	81.25	71.05	63.16	58.33	−0.27	0.553
		MDR-PA	31.58	10.00	23.26	12.50	20.00	36.08	32.20	0.39	0.391