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Table 3 Antibiotic susceptibility test result of Gram negative bacteria isolated from pus specimens

From: Prevalence of methicillin resistant Staphylococcus aureus, multidrug resistant and extended spectrum β-lactamase producing gram negative bacilli causing wound infections at a tertiary care hospital of Nepal

Isolates

Antimicrobial agents

 

RXN

AMP

AK

CIP

COT

GEN

CTX

CTR

CZ

MRP

E.. coli (10)

S

0

Nt

6 (60)

4 (40)

8 (80)

5 (50)

3 (30)

2 (20)

Nt

R

10 (100)

Nt

4 (40)

6 (60)

2 (20)

5 (50)

7 (70)

8 (80)

Nt

P. aeruginosa (5)

S

Nt

5 (100)

4 (80)

Nt

Nt

Nt

Nt

Nt

Nt

R

Nt

0

1 (20)

Nt

Nt

Nt

Nt

Nt

Nt

K. pneumoniae (6)

S

Nt

4 (66.7)

4 (66.7)

3 (50)

4 (66.7)

Nt

3 (50)

Nt

5 (83.3)

R

Nt

2 (33.3)

2 (33.3)

3 (50)

2 (33.3)

Nt

3 (50)

Nt

1 (16.7)

P. vulgaris (n = 2)

S

0

2 (100)

1 (50)

1 (50)

Nt

2 (100)

Nt

0

Nt

R

2 (100)

0

1 (50)

1 (50)

Nt

0

Nt

2 (100)

Nt

P. mirabilis (n = 1)

S

1 (100)

1 (100)

1 (100)

0

Nt

1 (100)

Nt

0

Nt

R

0

0

0

1 (100)

Nt

0

Nt

1 (100)

Nt

C. freundii (3)

S

0

Nt

1 (33.3)

1 (33.3)

1 (33.3)

1 (33.3)

1 (33.3)

0

Nt

R

3 (100)

Nt

2 (66.7)

2 (66.7)

2 (66.7)

2 (66.7)

2 (66.7)

3 (100)

Nt

Acinetobacter spp. (n = 6)

S

2 (33.3)

4 (66.7)

4 (66.7)

3 (50)

4 (66.7)

3 (50)

Nt

3 (50)

Nt

R

4 (66.7)

2 (33.3)

2 (33.3)

3 (50)

2 (33.3)

3 (50)

Nt

3 (50)

Nt

 

Antimicrobial agents

 

RXN

AMP

AK

CIP

CAZ

TOB

IMP

PI

CZ

MRP

P. aeruginosa (5)

S

Nt

5 (100)

4 (80)

2 (40)

5 (100)

5 (100)

3 (60)

Nt

Nt

R

Nt

0

1 (20)

3 (60)

0

0

2 (40)

Nt

Nt

Total (n = 38)

S

3 (13.6)

21 (84)

25 (65.7)

14 (42.4)

22 (73.3)

17 (63)

10 (41.7)

5 (22.7)

5 (83.3)

R

19 (86.4)

4 (16)

13 (34.3)

19 (57.6)

8 (26.7)

10 (37)

14 (58.3)

17 (77.3)

1 (16.7)

  1. Nt not tested, S Sensitive, R Resistant, RXN Reaction, AMP Ampicillin, AK Amikacin, CIP Ciprofloxacin, COT trimethoprim + sulfamethoxazole (cotrimoxazole), GEN Gentamicin, CTX Cefotaxime, Caz Ceftazidime, TOB Tobramycin, IMP Imipenem, PI Piperacillin, CTR Ceftriaxone, CZ Cefazolin, MRP Meropenem