Table 4.
AMC | AM | CHL | CIP | CZ | FOX | TET | November 2007 | May 2008 | May 2009 | November 2009 | % Total (n = 352) | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
% Upstream (n = 44) | % Downstream (n = 24) | % Upstream (n = 42) | % Downstream (n = 43) | % Upstream (n = 49) | % Downstream n (n = 46) | % Upstream (n = 51) | % Downstream (n = 53) | ||||||||
R | R | R | 30 | 75 | 33 | 44 | 45 | 61 | 76 | 81 | 55.7 | ||||
R | R | 11 | 8 | 40 | 35 | 20 | 15 | 22 | 13 | 21.0 | |||||
R | R | R | R | 5 | 0 | 7 | 7 | 24 | 17 | 0 | 2 | 8.2 | |||
R | 45 | 0 | 0 | 9 | 0 | 0 | 2 | 2 | 7.4 | ||||||
R | R | R | 2 | 4 | 19 | 0 | 6 | 2 | 0 | 0 | 4.0 | ||||
R | R | 5 | 0 | 0 | 5 | 4 | 2 | 0 | 0 | 2.0 | |||||
R | R | R | R | 2 | 4 | 0 | 0 | 0 | 2 | 0 | 0 | 0.9 | |||
R | R | R | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0.3 | ||||
R | R | R | R | R | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 | ||
R | R | R | R | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0.3 |
Gray boxes indicate that the isolate(s) is resistant to that antibiotic based on the Clinical Laboratory Standards Institute guidelines. Numbers are percentages of isolates with that resistance phenotype. Percentages in columns may not equal 100 due to rounding. AMC = amoxicillin plus clavulanic acid, AM = ampicillin, CHL=chloramphenicol, CIP=ciprofloxacin, CZ=cefazolin, FOX=cefoxitin, TET=tetracycline