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Table 3 Phenotypic pattern of antibiotic resistance of MRSA strains isolated from different types of hospital cockroaches

From: Phenotypic and genotypic characterization of antibiotic resistance in the methicillin-resistant Staphylococcus aureus strains isolated from hospital cockroaches

Origins (N of MRSA strains) N (%) isolates resistant to each antibiotic
Penicillins Cephems Aminoglycosides Macrolides Tetracyclines Fluoroquinolones Lincosamides Folate inhibitors Phenicols Ansamycins
P10a Cft Gen Amk Azi Ert Tet Dox Cip Lev Clin Tr-Sul C30 Rif
P. americana External washing (28) 28 (100) 28 (100) 24 (85.71) 21 (75) 15 (53.57) 18 (64.28) 28 (100) 21 (75) 12 (42.85) 11 (39.28) 14 (50) 23 (82.14) 7 (25) 9 (36)
Gut contents (10) 10 (100) 10 (100) 8 (80) 7 (70) 5 (50) 6 (60) 10 (100) 6 (60) 5 (50) 4 (40) 5 (50) 8 (80) 2 (20) 3 (30)
B. germanica External washing (8) 8 (100) 8 (100) 6 (75) 5 (62.50) 4 (50) 5 (62.50) 8 (100) 5 (62.50) 4 (50) 3 (37.50) 4 (50) 6 (75) 2 (25) 3 (37.50)
Gut contents (5) 5 (100) 5 (100) 3 (60) 2 (40) 3 (60) 3 (60) 5 (100) 2 (40) 2 (40) 2 (40) 2 (40) 4 (80) 1 (20) 2 (40)
Total External washing (36) 36 (100) 36 (100) 30 (83.33) 26 (72.22) 19 (52.77) 23 (63.88) 36 (100) 26 (72.22) 16 (44.44) 14 (38.88) 18 (50) 29 (80.55) 9 (25) 12 (33.33)
Gut contents (15) 15 (100) 15 (100) 11 (73.33) 9 (60) 8 (53.33) 9 (60) 15 (100) 8 (53.33) 7 (46.66) 6 (40) 7 (46.66) 12 (80) 3 (20) 5 (33.33)
  1. aP10: penicillin (10 μg/disk), Cft: ceftaroline (30 μg/disk), Gen: gentamicin (10 μg/disk), Amk: amikacin (30 μg/disk), Azi: azithromycin (15 μg/disk), Ert: erythromycin (15 μg/disk), Tet: tetracycline (30 μg/disk), Do: doxycycline (30 μg/disk), Cip: ciprofloxacin (5 μg/disk), Lev: levofloxacin (5 μg/disk), Clin: clindamycin (2 μg/disk), Tr-Sul: trimethoprim-sulfamethoxazole (25 μg/disk), C30: chloramphenicol (30 μg/disk), Rif: rifampin (5 μg/disk)