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Table 1 Antibiotic susceptibility profile of biofilm producing staphylococcal isolates by disc diffusion method

From: High level of persister frequency in clinical staphylococcal isolates

Antibiotics Biofilm producer
(n = 174)
Biofilm non producer
(n = 201)
icaAD positive
(n = 86)
icaAD negative
(n = 289)
Susceptible Resistant Susceptible Resistant Susceptible Resistant Susceptible Resistant
Cotrimoxazole 94 (54.0%) 80 (46.0%) 111 (55.2%) 90 (44.8%) 48 (55.8%) 38 (44.2%) 132 (45.7%) 157 (54.3%)
Erythromycin 46 (26.4%) 128 (73.6%) 47 (23.4%) 154 (76.6%) 32 (37.2%) 54 (62.8%) 61 (21.1%) 228 (78.9%)
Chloramphenicol 165 (94.8%) 9 (5.2%) 187 (93.0%) 14 (7.0%) 81 (94.2%) 5 (5.8%) 271 (93.8%) 18 (6.2%)
Tetracycline 160 (92.9%) 14 (8.0%) 179 (89.1%) 22 (10.9%) 80 (93.0%) 6 (7.0%) 259 (89.6%) 30 (10.4%)
Clindamycin 139 (79.9%) 35 (20.1%) 157 (78.1%) 44 (21.9%) 74 (86.0%) 12 (14.0%) 222 (76.8%) 67 (23.2%)
Penicillin 14 (8.0%) 160 (92.0%) 12 (6.0%) 189 (94.0%) 6 (7.0%) 80 (93.0%) 20 (6.9%) 269 (93.1%)
Ciprofloxacin 89 (51.1%) 85 (48.9%) 91 (45.3%) 110 (54.7%) 42 (48.8%) 44 (51.2%) 138 (47.8%) 151 (52.2%)
Cefoxitin 46 (26.4%) 128 (73.6%) 55 (27.4%) 146 (72.6%) 29 (33.7%) 57 (66.3%) 72 (24.9%) 217 (75.1%)
Gentamicin 128 (73.6%) 48 (26.4%) 135 (67.2%) 66 (32.8%) 58 (67.4%) 28 (32.6%) 205 (70.9%) 84 (29.1%)