Epidemiology Research International

Research Article

Dissemination and Molecular Epidemiology of KPC-Producing Klebsiella pneumoniae Collected in Puerto Rico Medical Center Hospitals during a 1-Year Period

Table 7

Distribution of the 27 K. pneumoniae isolates by hospital, PFGE Groupsa, and KPC variantsb during the 1-year surveillance study period.
Hospital20032004
12345678910111213Total
JunJulAugSeptOctNovDecJanFebMarAprMayJun
MC19a(4)15b(2)3 (3)15a(2), 4(6)11a (3), 2(2), 10(4)11a(3)1a(3), 1a(3)1a(3), 11a(3)13
MC29a(4)6(2)5(3)3
MC39a(4) 8(2)15a(2)12(3)16(2)17(3), 14a(3), 14b(3)8
MC47(2)1b(3)2
NRc13(3)1
aNumbers followed by a letter represent the related PFGE groups (1, 9, 11, 14, and 15) and numbers alone represent the unrelated PFGE groups (2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 16, and 17).
bType of KPC variant found in the isolates is shown in the superscript: KPC-2(2), KPC-3(3), KPC-4(4), and KPC-6(6).
cNR: unidentified hospital (not reported).