Table 1 Prevalence of phylogenetic groups among E. coli isolates and prevalence of AR genotypes and phenotypes among each phylotype
Variables | no. of isolates in each phylotype (% among 106 E. coli isolates) | |||||||
|---|---|---|---|---|---|---|---|---|
A | B1 | B2 | C | D | E | F | U | |
6 (5.6) | 7 (6.6) | 31 (29.2) | 7 (6.6) | 19 (17.9) | 15 (14.1) | 10 (9.4) | 11 (10.3) | |
AR gene [no. (% among 106 E. coli isolates)] | Prevalence of AR gene; no. (% in each phylotype) | |||||||
blaTEM [95 (89.6)] | 6 (100) | 6 (85.7) | 25 (80.6) | 7 (100) | 18 (94.7) | 15 (100) | 10 (100) | 8 (72.7) |
blaSHV [7 (6.6)] | - | - | 1 (3.2) | - | 1 (5.2) | 1 (6.6) | - | 4 (36.3) |
blaCTX-M [47 (44.3)] | 2 (33.3) | 3 (42.8) | 15 (48.3) | 4 (57.1) | 6 (31.5) | 8 (53.3) | 6 (60) | 3 (27.2) |
blaCMY [1 (0.9)] | - | - | 1 (3.2) | - | - | - | - | - |
Without AR gene [9 (8.4)] | - | 1 (14.2) | 5 (16.1) | - | - | - | - | 3 (27.2) |
AR phenotype [no. (% among 106 E. coli isolates)] | Prevalence of AR phenotype; no. (% in each phylotype) | |||||||
CP [59 (55.6)] | 3 (50) | 4 (57.1) | 18 (57.6) | 5 (71.4) | 6 (31.5) | 7 (46.6) | 8 (80) | 8 (72.7) |
AZT [88 (83)] | 6 (100) | 6 (85.7) | 26 (83.8) | 7 (100) | 13 (67.4) | 11 (73.3) | 9 (90) | 10 (90.9) |
CRO [82 (77)] | 4 (66.6) | 5 (71.4) | 24 (77.4) | 6 (87.7) | 11 (57.8) | 13 (86.6) | 10 (100) | 9 (81.8) |
CAZ [81 (76.4)] | 5(83.3) | 4 (57.1) | 25 (80.6) | 7 (100) | 12 (63.1) | 10 (66.6) | 10 (100) | 8 (72.7) |
CTX [94 (88.6)] | 5 (83.3) | 5 (71.4) | 28 (90.3) | 7 (100) | 17 (89.4) | 13 (86.6) | 10 (100) | 9 (81.8) |
ESBL-producing strains [56 (52.8)] | 2 (33.3) | 5 (71.4) | 14 (45.1) | 3 (42.8) | 9 (47.3) | 10 (66.6) | 8 (80) | 5 (45.4) |
Without AR phenotype [3 (2.8)] | - | 1 (14.2) | - | - | 1 (5.2) | 1 (6.6) | - | - |