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Table 2 Distributions of sequence types and pulsotypes among colonization isolates of cases and controls and subsequent infection isolates of cases

From: Predictors for vancomycin resistant Enterococcus faecium transforming from colonization to infection: a case control study

 CaseControl
Colonization isolates (n = 97)Subsequent infection isolates
(n = 97)
Colonization isolates (n = 162)a
Sequence type (ST), N (%)
 ST1733 (34.0)39 (40.2)68 (42.0)
 ST184 (4.1)3 (3.1)11 (6.8)
 ST7816 (16.5)19 (19.6)30 (18.5)
 ST34117 (17.5)15 (15.5)21 (13.0)
 ST41413 (13.4)12 (12.4)11 (6.8)
 Othersb14 (14.5)9 (9.3)21 (13.0)
Pulsotype, N (%)
 19 (9.3)7 (7.2)NA
 169 (9.3)6 (6.2)NA
 66 (6.2)7 (7.2)NA
 286 (6.2)6 (6.2)NA
 234 (4.2)6 (6.2)NA
 Othersc63 (64.8)65 (67.0)NA
  1. Abbreviation: NA not applicable
  2. aOnly 162 colonization isolates in control group were available
  3. bColonization isolates in case group: ST64, 1 (1.0%); ST80, 1 (1.0%); ST203, 4 (4.1%); ST252, 3 (3.1%); ST1022, 1 (1.0%); ST1023, 1 (1.0%); ST1039, 1 (1.0%); ST1050, 2 (2.1%); Infection isolates in case group: ST64, 2 (2.1%); ST203, 2 (2.1%); ST233, 1 (1.0%); ST262, 2(2.1%); ST927, 1 (1.0%); ST1022, 1 (1.0%); Colonization isolates in control group: ST64, 5 (3.1%); ST80, 1 (0.6%); ST125, 1 (0.6%); ST203, 2 (1.2%); ST233, 3 (1.9%); ST252, 3 (1.9%); ST262, 4 (2.5%); ST267, 1 (0.6%); ST767, 1 (0.6%)
  4. cThere were 45 and 44 different pulsotypes among colonization and infections isolates in cases, respectively