Table 1.

Incidences of imported and hospital-acquired carbapenemase-producing K. pneumoniae cases and carbapenemase gene distributions from 2009 to 2011

Yr (no. of cases)a	No. of cases/1,000 patient days	No. of imported, hospital acquired cases	No. of imported, hospital-acquired cases/1,000 patient days	No. (%) with blaKPC-2 isolatesb	No. (%) with blaKPC-2 blaVIM-1 isolatesc	No. (%) with blaVIM-1 isolatesd
2009 (36)	0.52	11, 25	0.16, 0.36	23 (63.9)	5 (13.9)	8 (22.2)
2010 (22)	0.32	9, 13	0.13, 0.19	16 (72.7)	4 (18.2)	2 (9.1)
2011 (15)	0.21	8, 7	0.11, 0.1	13 (86.7)	0	2 (13.3)

^aThere were a total of 73 cases.

^bThere were a total of 52 bla_KPC-2 cases.

^cThere were a total of 9 bla_KPC-2 bla_VIM-1 cases.

^dThere were a total of 12 bla_VIM-1 cases.