Table 1 Trends in antimicrobial resistance of anaerobes in Pakistan from 2014 to 2017 compared with 2010–2011 [12]
Organisms | n = 223 | Metronidazole resistance (2014–2017) n (%) | Metronidazole resistance (2010–2011) n (%) | P value (Pearson chi square) | Frequency of isolates tested for imipenem (n = 29) n (%) | Imipenem resistance (n = 7) n (%) | Imipenem resistance (2010–2011) N = 0/106 |
|---|---|---|---|---|---|---|---|
Overall resistance (excluding inherent resistance) | 39/223 (17.4)) | 13/106 (12.3) | 0.184 | – | 7/29 (24.1) | 0/106 | |
Bacteroides fragilis | 97 | 20 (20.6) | 6/39 (15.3) | 0.483 | 21 | 6 | 0 |
Bacteroides species | 74 | 16 (21.6) | 06/28(18) | 0.983 | 5 | 1(27) | 0 |
Clostridium species | 39 | 2 (5) | 1/32 (3) | 0.676 | 3 | 0 | 0 |
Fusobacterium speciesa | 3 | 0 | 0/1 (0) | – | – | – | – |
Prevotella speciesa | 3 | 1 (33) | 0/6 (0) | – | – | – | 0 |
Cutibacterium species | 5 | 5b | – | – | – | – | – |
Bifidobacterium speciesa | 1 | 1b | – | – | – | – | |
Eggerthella lenta a | 1 | 1b | – | – | – | – |