Table 2.
Aminoglycoside | Year | 1992 | 2006 | 2008 | 2009 | 2010 | 2011 | 2012 | P † |
---|---|---|---|---|---|---|---|---|---|
Pseudomonas aeruginosa | |||||||||
n a | 306 | 379 | 197 | 235 | 126 | 194 | 180 | ||
Amikacin | 89 | 86 | 86 | 88 | 90 | 89 | 84 | 0.382 | |
Gentamicin | 71 | 70 | 81 | 85 | 85 | 87 | 80 | 0.439 | |
Tobramycin | 97 | 91 | 87 | 90 | 91 | 94 | 90 | 0.777 | |
Escherichia coli | |||||||||
n a | 225 | 190 | 161 | 183 | 172 | 161 | 184 | ||
Amikacin | 100 | 97 | 97 | 98 | 98 | 99 | 98 | 0.617 | |
Gentamicin | 92 | 86 | 85 | 84 | 88 | 90 | 89 | 0.630 | |
Tobramycin | 98 | 87 | 82 | 83 | 87 | 87 | 89 | 0.661 | |
Klebsiella pneumoniae | |||||||||
n a | 166 | 214 | 152 | 163 | 119 | 114 | 113 | ||
Amikacin | 99 | 82 | 93 | 94 | 96 | 98 | 98 | 0.597 | |
Gentamicin | 87 | 89 | 91 | 94 | 94 | 97 | 95 | 0.600 | |
Tobramycin | 87 | 79 | 88 | 92 | 92 | 96 | 92 | 0.866 |
†Chi-squared test; 1992 versus 2012
aNumber tested