Table 2. Epidemiological properties of β-lactamase-producing Klebsiella pneumoniae isolates.

Isolate	Specimen	Units	Dates	Treatment	Outcome	Susceptible antibiotics	blaNDM-1	blaOXA-48	blaCTX-M1	blaCTX-M2	blaTEM	blaSHV
1	Blood	AR	Feb. 2013	SCF, CIP, TIG	Exitus	AK, TIG, CST, SXT	-	-	+	+	+	+
2	Blood	Gas	Feb. 2013	NT	Exitus	AK, CN, TIG, CST, SXT	-	+	+	+	-	+
3	Blood	Neu	Feb. 2013	TZP, SXT	Other	CN, TIG, CST, SXT	+	+	+	+	+	+
4	Blood	Neu	Feb. 2013	SXT, SCF	Other	TIG, CST, SXT	+	-	+	+	+	+
5	Blood	TS	Jan. 2013	NT	Other	AK, TIG, CST	-	+	+	+	+	+
6	Sputum	TS	Jan. 2013	NT	Other	AK, CST	-	+	+	+	+	+
7	Wound	RO	Jan. 2013	NT	Other	AK, CN, TIG, CST, SXT	-	+	+	+	-	+
8	Sputum	TS	Jan. 2013	NT	Other	AK, TIG, CST, SXT	-	+	+	+	+	+
9	Blood	IM	Jan. 2013	SCF, TIG	Other	AK, TIG, CST, SXT	-	+	+	+	+	+
10	Sputum	RICU	Jan. 2013	NT	Other	AK, CN, NET, TOB, TIG, CST, SXT	-	+	-	+	+	+
11	Sputum	RICU	Jan. 2013	SCF, TIG	Exitus	AK, CN, NET, TOB, TIG, CST, SXT	-	+	-	+	+	+
12	Wound	TS	Jan. 2013	CST, TIG	Other	AK, CST	-	+	+	+	+	+
13	Blood	PS	Jan. 2013	NT	Other	TIG, CST	+	+	+	+	+	+
14	Blood	AR	Jan. 2013	SCF, CST	Exitus	AK, CN, NET, TOB, TIG, CST, SXT	+	-	+	+	+	+
15	Tracheal aspirate	AR	Dec. 2012	SCF, TIG	Exitus	AK, TIG, CST, SXT	-	+	+	+	+	+
16	Blood	AR	Dec. 2012	TIG, SXT, CST	Exitus	AK, TIG, CST, SXT	-	+	+	+	+	+
17	Blood	Uro	Dec. 2012	NT	Other	AK, CN, TIG, CST, SXT	+	-	+	+	+	+
18	Wound	GS	Dec. 2012	MEM, TIG	Other	AK, CIP, LEV, TET, TIG, CST, SXT	-	+	+	+	-	+
19	Tracheal aspirate	AR	Dec. 2012	TIG, SUL	Treated	CN, TIG, CST, SXT	-	+	+	+	+	+
20	Blood	AR	Dec. 2012	CST, TIG	Exitus	AK, TIG, CST, SXT	-	+	+	+	+	+
21	Catheter	AR	Dec. 2012	TIG, CST	Exitus	AK, TIG, CST, SXT	-	+	+	+	+	+
22	CSF	AR	Nov. 2012	SXT, MEM, CIP	Exitus	AK, TIG, CST, SXT	-	+	+	+	+	+
23	Sputum	RICU	Feb. 2013	SCF, TIG	Exitus	AK, CN, TIG, CST, SXT	-	+	-	+	+	+
24	Blood	RICU	Oct. 2012	TIG, SUL	Exitus	TIG, SXT	-	+	-	+	+	+
25	Blood	AR	Oct. 2012	TIG, SUL	Exitus	TIG, CST, SXT	+	-	-	+	+	+
26	Wound	Gas	Nov. 2012	NT	Other	AK, TET, TIG, CST, SXT	-	+	-	+	+	-
27	Wound	AR	Jul. 2012	MEM, CIP, TIG, AK	Other	CN, CST	-	+	+	+	+	+
28	Blood	AR	Oct. 2012	SCF, CIP	Other	AK, TIG, CST, SXT	-	+	-	+	+	+
29	Wound	AR	Oct. 2012	CST, SUL, TIG, AK	Exitus	AK, TIG, CST, SXT	-	+	-	+	+	+
30	Tracheal aspirate	AR	Nov. 2012	TIG, RIF	Other	AK, TIG, CST, SXT	-	+	-	+	+	+
31	Tracheal aspirate	AR	Nov. 2012	TIG, SUL, CN, MEM, CST	Exitus	AK, TIG, CST, SXT	-	+	-	+	+	+
32	Tracheal aspirate	AR	Nov. 2012	NT	Exitus	AK, TIG, CST, SXT	-	+	-	+	+	+
33	Blood	AR	Aug. 2012	CST, CSF, TIG	Other	AK, CN, CST	-	+	-	+	+	+
34	Wound	Uro	Jul. 2012	NT	Other	AK, CN, TIG, CST	-	+	+	+	+	+
35	Sputum	AR	Nov. 2012	CST, SUL, TIG	Exitus	AK, TIG, CST, SXT	-	+	+	+	+	+
36	Blood	AR	Sep. 2012	CST, TIG	Other	AK, TIG, CST	-	+	-	+	+	+
37	Tracheal aspirate	AR	Nov. 2012	NT	Other	AK, TIG, CST, SXT	-	+	-	+	+	+

Abbreviations: AR, anesthesiology and reanimation; Gas, gastroenterology; Neu, neurology; TS, thoracic surgery; RO, radiation oncology; CP, chest diseases polyclinic; IM, internal medicine; RICU, respiratory intensive care unit; PS, plastic surgery; Uro, urology; GS, general surgery; TZP, piperacillin/tazobactam; SCF, cefaperazone/sulbactam; AK, amikacin; CN, gentamicin; NET, netilmicin; TOB, tobramycin; CIP, ciprofloxacin; LEV, levofloxacin; TET, tetracycline; TIG, tigecycline; CST, colistin; SXT, trimethoprim/sulfamethoxazole; MEM, meropenem; SUL, sulbactam; RIF, rifampicin; CSF, cerebrospinal fluid; NT, Not treated; Other, the patient was transferred into a different service.