Table 6 Antimicrobial susceptibility of bacteria isolated from ocular infections
Bacterial isolate (N) | S/R N (%) | Antibiotics tested | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
CN | AK | C | CIP | TC | DOX | SXT | CRO | DA | E | CH | MET | ||
S. aureus (40) | R S | 5 (12.5) 35 (87.5) | 1 (2.5) 39 (97.5) | 11 (27.5) 29 (72.5) | 5 (12.5) 35 (87.5) | 18 (45) 22 (55) | 11 (27.5) 29 (72.5) | 17 (42.5) 23 (57.5) | NT | 9 (22.5) 31 (77.5) | 8 (20) 32 (80) | NT | 7 (17.5) 33 (82.5) |
CoNSa (31) | R S | 2 (6.5) 29 (93.5) | 1 (3.2) 30 (96.8) | 9 (29) 22 (71) | 3 (9.7) 28 (90.3) | 18 (58.1) 13 (41.9) | 7 (22.6) 24 (77.4) | 21 (67.7) 10 (32.3) | NT | 12 (38.7) 19 (61.3) | 9 (29) 22 (71) | NT | 14 (45.2) 17 (54.8) |
S. pyogenes (5) | R S | NT | NT | 2 (40) 3 (60) | NT | 1 (20) 4 (80) | NT | NT | NT | 0 5 (100) | 0 5 (100) | 0 5 (100) | NT |
S. pneumoniae (8) | R S | NT | NT | 2 (25) 6 (75) | NT | 4 (50) 4 (50) | 2 (25) 6 (75) | 3 (37.5) 5 (62.5) | NT | 1 (12.5) 7 (87.5) | 1 (12.5) 7 (87.5) | 0 8 (100) | NT |
Viridans streptococci (7) | R S | NT | NT | 3 (42.9) 4 (57.1) | NT | 2 (28.6) 5 (71.4) | NT | NT | 0 7 (100) | NT | 1 (14.3) 6 (85.7) | 0 7 (100) | NT |
Enterococcus spp. (8) | R S | NT | NT | 4 (50) 4 (50) | 1 (12.5) 7 (87.5) | 4 (50) 4 (50) | 2 (25) 6 (75) | NT | NT | NT | 1 (12.5) 7 (87.5) | NT | NT |
N. gonorrhoeae (1) | R S | NT | NT | NT | 0 1 (100) | 0 1 (100) | NT | NT | 0 1 (100) | NT | NT | NT | NT |
H. influenzae (2) | R S | NT | NT | 0 2 (100) | 0 2 (100) | 0 2 (100) | NT | 1 (50) 1 (50) | NT | NT | NT | 0 2 (100) | NT |
P. aeruginosa (21) | R S | 1 (4.8) 20 (95.2) | 1 (4.8) 20 (95.2) | NT | 4 (19) 17 (81) | NT | NT | NT | NT | NT | NT | NT | NT |
K. pneumoniae (7) | R S | 2 (28.6) 5 (71.4) | 1 (14.3) 6 (85.7) | 3 (42.9) 4 (57.1) | 1 (14.3) 6 (85.7) | 5 (71.4) 2 (28.6) | 2 (28.6) 5 (71.4) | 4 (57.1) 3 (42.9) | 3 (42.9) 4 (57.1) | NT | NT | NT | NT |
Other Klebsiella spp. (5) | R S | 0 5 (100) | 1 (20) 4 (80) | 2 (40) 3 (60) | 1 (20) 4 (80) | 2 (40) 3 (60) | 1 (20) 4 (80) | 4 (80) 1 (20) | 0 5 (100) | NT | NT | NT | NT |
E. coli (15) | R S | 3 (20) 12 (80) | 2 (13.3) 13 (86.7) | 4 (26.7) 11 (73.3) | 1 (6.7) 14 (93.3) | 8 (53.3) 7 (46.7) | 3 (20) 12 (80) | 8 (53.3) 7 (46.7) | 3 (20) 12 (80) | NT | NT | NT | NT |
Enterobacter spp. (10) | R S | 1 (10) 9 (90) | 1 (10) 9 (90) | 1 (10) 9 (90) | 0 10 (100) | 6 (60) 4 (40) | 5 (50) 5 (50) | 4 (40) 6 (60) | 2 (20) 8 (80) | NT | NT | NT | NT |
Citrobacter freundii (4) | R S | 0 4 (100) | 0 4 (100) | 2 (50) 2 (50) | 1 (25) 3 (75) | 3 (75) 1 (25) | 2 (50) 2 (50) | 1 (25) 3 (75) | 0 4 (100) | NT | NT | NT | NT |
Acinetobacter spp. (5) | R S | 1 (20) 4 (80) | 1 (20) 4 (80) | NT | 0 5 (100) | 3 (60) 2 (40) | 3 (60) 2 (40) | 4 (80) 1 (20) | 0 5 (100) | NT | NT | NT | NT |
S. marcescens (5) | R S | 1 (20) 4 (80) | 1 (20) 4 (80) | 2 (40) 3 (60) | 0 5 (100) | 1 (20) 4 (80) | 1 (20) 4 (80) | 2 (40) 3 (60) | 1 (20) 4 (80) | NT | NT | NT | NT |
Proteus spp. (3) | R S | 0 3 (100) | 0 3 (100) | 0 3 (100) | 0 3 (100) | NT | NT | 1 (33.3) 2 (66.7) | 0 3 (100) | NT | NT | NT | NT |
P. shigelloides (1) | R S | 0 1 (100) | 0 1 (100) | 0 1 (100) | 0 1 (100) | 0 1 (100) | 0 1 (100) | 0 1 (100) | 0 1 (100) | NT | NT | NT | NT |
Total, N (%) | R S | 16 (10.9) 131 (89.1) | 10 (6.8) 137 (93.2) | 45 (29.8) 106 (70.2) | 17 (10.8) 141 (89.2) | 75 (48.7) 79 (51.3) | 39 (28.1) 100 (71.9) | 70 (51.3) 66 (48.7) | 9 (14.3) 54 (85.7) | 22 (26.2) 62 (73.8) | 20 (20.2) 79 (79.8) | 0 22 (100) | 21 (29.6) 50 (70.4) |