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Table 1 Antibiotic susceptibility of S. aureus isolates (MSSA and MRSA) from KZN province, South Africa

From: Antimicrobial susceptibility patterns and characterization of clinical isolates of Staphylococcus aureus in KwaZulu-Natal province, South Africa

  MSSA n = 166 MRSA n = 61 Total n = 227
Antibiotic Number of isolates that were: Resistance rate (%) Number of isolates that were: Resistance rate (%) No/Resistance rate (%)
  S R   S R   
Penicillin 19 147 88.6 0 61 100 208 (91.6)
Ampicillin 19 147 88.6 0 61 100 208 (91.6)
Oxacillin 166 0 0 0 61 100 61 (26.9)
Erythromycin 147 19 11.4 11 50 82 69 (30.4)
Clindamycin 148 18 10.8 11 50 82 68 (30.0)
Gentamicin 160 6 3.6 2 59 96.7 65 (28.6)
Streptomycin 166 0 0 42 19 31.1 19 (8.4)
Kanamycin 160 6 3.6 2 59 96.7 65 (28.6)
Neomycin 166 0 0 42 19 31.1 19 (8.4)
Trimethoprim 148 18 10.8 9 52 85.2 70 (30.8)
Trimethoprim/Sulphamethoxazole 148 18 10.8 9 52 85.2 70 (30.8)
Tetracycline 153 13 7.8 6 55 90.2 68 (30.0)
Minocycline 166 0 0 6 55 90.2 55 (24.2)
Teicoplanin 166 0 0 61 0 0 0
Vancomycin 166 0 0 61 0 0 0
Chloramphenicol 165 1 0.6 51 10 16.4 11 (4.8)
Ciprofloxacin 165 1 0.6 50 11 18.0 12 (5.3)
Fusidic acid 166 0 0 61 0 0 0
Rifampicin 165 1 0.6 16 45 73.8 46 (20.3)
Mupirocin (5 μg) 165 1 0.6 46 15 24.6 16 (7.0)
Mupirocin (200 μg) 165 1 0.6 60 1 1.6 2 (0.9)
Methicillin ND ND - 0 61 100 -
Cefoxitin ND ND - 0 61 100 -
  1. KEY
  2. S – sensitive; R – Resistant.
  3. ND: Not Determined