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Table 2 Description of the ST- identified in carbapenemase producing Klebsiella pneumoniae divided by Department in 2012 (a), 2013 (b) and 2014 (c)

From: Prevalence of Klebsiella pneumoniae strains producing carbapenemases and increase of resistance to colistin in an Italian teaching hospital from January 2012 To December 2014

(a) 2012
  ST-258 (n) ST-512 (n) ST-7452 (n) ST-15 (n) ST-101 (n) ST-8682 (n)
MD 3 1 5 - - -
SD 9 10 6 - - 1
ICD 33 5 15 2 2 -
Total 1 45 16 26 2 2 1
(b) 2013
  ST-258 (n) ST-512 (n) ST-7452 (n) ST-15 (n) ST-307 (n) Other ST (n)
MD 10 5 1 - -  
SD 10 15 5 - 3 392 (1 pt)4
ICD 16 21 4 3 2 437 (2 pts)
12074 (1 pt)
13264 (1 pt)
Total 3 36 41 10 3 5 5
(c) 2014
  ST-258 (n) ST-512 (n) ST-7452 (n) ST-307 (n) ST-554 (n) Other ST (n)
MD 1 3 - - 1  
SD 7 15 1 - - 395 (1 pt)
ICD 1 11 - 1 2 1199 (1 pt)
1543 (1 pt)
Total5 9 29 1 1 3 3
  1. 1 MLST available for 92/149 isolates
  2. 2 single locus variant of ST-512
  3. 3 MLST available for 100/133 isolates
  4. 4 new allelic profile
  5. 5 MLST available for 46/214 isolates
  6. MD Medical Department, SD Surgical Department, ICD Intensive Care Department, pt patient, pts patients