Table 3 Phenotypic pattern of antibiotic resistance of MRSA strains isolated from different types of 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) | |