Table 4

Baseline wound isolate mupirocin and chlorhexidine resistance by systemic antibiotic susceptibility (n = 901 isolates)b

Antibiotic resistanceaMupirocin-resistant isolate (n = 16) (%)bMupirocin-susceptible isolate (n = 885) (%)OR (95% CI)P valueChlorhexidine-resistant isolate (n = 4) (%)Chlorhexidine-susceptible isolate (n = 897) (%)OR (95% CI)P value
Methicillin
    R (n = 755)14 (1.9)741 (98.1)1.36 (0.31–6.05)1.004 (0.5)751 (99.5)NA1.00
    S (n = 146)2 (1.4)144 (98.6)0 (0)146 (100)
Clindamycin
    R (n = 96)6 (6.2)90 (93.8)5.30 (1.88–14.93)0.0041 (1.0)95 (99.0)2.81 (0.29–27.32)0.36
    S (n = 805)10 (1.2)795 (98.8)3 (0.4)802 (99.6)
Erythromycin
    R (n = 804)13 (1.6)791 (98.4)0.52 (0.14–1.84)0.404 (0.5)800 (99.5)NA1.00
    S (n = 97)3 (3.1)94 (96.9)0 (0)97 (100)
TMP-SMX
    R (n = 2)0 (0)2 (100)NA1.000 (0)2 (100)NA1.00
    S (n = 897)16 (1.8)881 (98.2)4 (0.4)893 (99.6)
Ciprofloxacin
    R (n = 86)0 (0)86 (100)NA0.240 (0)86 (100)NANA
    S (n = 84)2 (2.4)82 (97.6)0 (0)84 (100)
Rifampin
    R (n = 3)0 (0)3 (100)NA1.000 (0)3 (100)NA1.00
    S (n = 891)16 (1.8)875 (98.2)4 (0.4)887 (99.6)
Tetracycline
    R (n = 21)1 (4.8)20 (95.2)2.61 (0.33–20.80)0.340 (0)21 (100)NA1.00
    S (n = 744)14 (1.9)730 (98.1)4 (0.5)740 (99.5)
  • a R, resistant; S, susceptible.

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