Table 3

Mupirocin and chlorhexidine resistance at baseline by isolate factors (n = 2,425 isolates)b

Isolate factorMupirocin-resistant isolate (n = 50) (%)Mupirocin-susceptible isolate (n = 2,375) (%)OR (95% CI)P valueChlorhexidine-resistant isolate (n = 17) (%)Chlorhexidine-susceptible isolate (n = 2,408) (%)OR (95% CI)P value
Infecting isolate (n = 901)16 (1.8)885 (98.2)0.79 (0.44–1.44)0.554 (0.4)897 (99.6)0.52 (0.17–1.59)0.32
Colonizing isolate (n = 1,524)34 (2.2)1,490 (97.8)13 (0.9)1511 (99.1)
Site of colonizationa
    Anterior nares (n = 601)10 (1.7)591 (98.3)Reference0.164 (0.7)597 (99.3)Reference0.59
    Axilla (n = 302)11 (3.6)291 (96.4)2.23 (0.94–5.32)4 (1.3)298 (98.7)2.00 (0.50–8.06)
    Inguinal fold (n = 621)13 (2.1)608 (97.9)1.26 (0.55–2.90)5 (0.8)616 (99.2)1.21 (0.32–4.53)
  • a OR calculated separately for the axilla and inguinal fold sites of colonization in comparison to the anterior nares site of colonization.

  • b The percentages listed represent the percentages for the row (not the column).