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Table 1 Antibiotic resistance according to source of isolates

From: Antiseptics and mupirocin resistance in clinical, environmental, and colonizing coagulase negative Staphylococcus isolates

Antibiotics

Sample Source (N=55)

P value

Enviromental

N = 32

Healthcare

Workers

N = 14

Clinical infections

N = 9

Penicillin G (P) (10 µg)

N(%)

32(100)

14(100)

9(100)

 

Cefoxitin (CX) (30 µg)

N(%)

23(71.9)

13(92.9)

8(88.9)

0.201

Oxacillin (OX) (1 µg)

N(%)

11(34.4)

6(42.9)

6(66.7)

0.221

Erythromycin (E) (15 µg)

N(%)

25(78.1)

10(71.4)

9(100.0)

0.227

Clindamycin (CD) (2 µg)

N(%)

6(18.8)

4(28.6)

7(77.8)

0.003*

Trimethoprim/ sulfamethoxazole (COT) (25 µg)

N(%)

4(12.5)

5(35.7)

4(44.4)

0.064

Ciprofloxacin (CIP) (5 µg)

N(%)

3(9.4)

3(21.4)

4(44.4)

0.051

Tetracycline (TE) (30 µg)

N(%)

5(15.6)

3(21.4)

1(11.1)

0.79

Rifampicin (RIF) (5 µg)

N(%)

3(9.4)

1(7.1)

4(44.4)

0.02*

Gentamicin (GEN) (10 µg)

N(%)

2(6.3)

1(7.1)

1(11.1)

0.88

Cloramaphenicol (C) (30 µg)

N(%)

2(6.3)

0

0

0.5

Linezolid (LZ) (30 µg)

N(%)

0

0

0

 

Teicoplanin (TEI) (30 µg)

N(%)

3(9.4)

0

0

0.32

Imipenem (IPM) (10 µg)

N(%)

2(6.3%)

1(7.1%)

1(11.1%)

 

Amoxicillin.clavulanic acid (AMC) (20/10 µg)

N(%)

21(65.6)

12(85.7)

8(88.9)

0.2

cefotaxime (CTX) (30 µg)

N(%)

20(62.5)

9(64.3)

8(88.9)

0.32

  1. *Significant