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Table 2 In vitro antibiotic susceptibilities of bacterial isolates recovered from conjunctival specimens of patients with suspected conjunctivitis

From: Bacteriologic and plasmid analysis of etiologic agents of conjunctivitis in Lagos, Nigeria

Organism

No. tested

No. (%) of susceptible bacterial isolates to antibiotics tested

CHL

CTX

AMK

GEN

STR

CAZ

AMP

AMO

OFL

Total Gram-positive cocci

78

51 (65.3)

71 (91)

69 (88.5)

64 (82.1)

61 (78.2)

73 (93.6)

62 (79.5)

67 (85.9)

78 (100)

 S. aureus

43

24 (55.8)

38 (88.4)

37 (86)

34 (79.1)

29 (67.4)

38 (88.4)

33 (76.7)

35 (81.4)

43 (100)

 Coagulase-negative Staph

35

27 (77.1)

33 (94.3)

32 (91.4)

30 (85.7)

32 (91.4)

35 (100)

29 (82.9)

32 (91.4)

35 (100)

 Total Gram-positive bacilli

35

28 (80)

31 (88.6)

33 (94.3)

33 (94.3)

30 (85.7)

34 (97.1)

31 (88.6)

33 (94.3)

35 (100)

 Bacillus sp.

10

9 (90)

10 (100)

8 (80)

9 (90)

8 (80)

10 (100)

8 (80)

10 (100)

10 (100)

 Corynebacterium sp.

25

19 (76)

21 (84)

25 (100)

24 (96)

22 (88)

24 (96)

23 (92)

23 (92)

25 (100)

Total Gram-negative bacilli

36

15 (41.7)

29 (80.6)

30 (83.3)

28 (77.8)

24 (66.7)

30 (83.3)

23 (63.9)

27 (75)

29 (80.6)

 P. aeruginosa

15

3 (20)

12 (80)

11 (73.3)

10 (66.7)

8 (53.3)

12 (80)

9 (60)

11 (73.3)

9 (60)

 E. coli

10

6 (60)

8 (80)

8 (80)

8 (80)

8 (80)

9 (90)

7 (70)

8 (80)

9 (90)

 Proteus sp.

5

3 (60)

5 (100)

5 (100)

4 (80)

4 (80)

4 (80)

4 (80)

4 (80)

5 (100)

 Enterobacter aerogenes

3

2 (66.7)

3 (100)

3 (100)

3 (100)

3 (100)

3 (100)

2 (66.7)

3 (100)

3 (100)

 Klebsiella sp.

3

1 (33.3)

1 (33.3)

3 (100)

3 (100)

1 (33.3)

2 (66.7)

1 (33.3)

1 (33.3)

3 (100)

Total Gram-negative cocci

7

5 (71.4)

7 (100)

7 (100)

7 (100)

5 (71.4)

7 (100)

5 (71.4)

7 (100)

7 (100)

 Moraxella sp.

7

5 (71.4)

7 (100)

7 (100)

7 (100)

5 (71.4)

7 (100)

5 (71.4)

7 (100)

7 (100)

Total

155

99 (63.9)

138 (89)

139 (89.7)

132 (85.2)

120 (77.4)

144 (92.9)

121 (78.1)

134 (86.5)

149 (96.1)

  1. CHL chloramphenicol, CTX cefotaxime, CAZ ceftazidime, AMK amikacin, STR streptomycin, AMP ampicillin, AMO amoxicillin, OFL ofloxacin, GEN gentamicin