TABLE 3.
Annual and overall number of tests performed, percent total deviations, percent critical deviations, and percent major and total deviations for each antimicrobial agent in the EQAS from 2000 to 2007
| Antimicrobial | 2000 EQAS (n = 44)
|
2001 EQAS (n = 108)
|
2002 EQAS (n = 119)
|
2003 EQASa (n = 147)
|
2004 EQAS (n = 152)
|
2006 EQAS (n = 143)
|
2007 EQAS (n = 143)
|
Overall EQAS from 2000-2007a (n = 856)
|
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total no. of determinations | % Critical deviations | % Total deviations | Total no. of determinations | % Critical deviations | % Total deviations | Total no. of determinations | % Critical deviations | % Total deviations | Total no. of determinations | % Critical deviations | % Total deviations | Total no. of determinations | % Critical deviations | % Total deviations | Total no. of determinations | % Critical deviations | % Total deviations | Total no. of determinations | % Critical deviations | % Total deviations | Total no. of determinations | % Critical deviations | % Total deviations | |
| AMP | 343 | 6 | 8 | 822 | 4 | 7 | 918 | 2 | 3 | 1,019 | 2 | 4 | 1,178 | 3 | 5 | 1,092 | 2 | 3 | 1,114 | 5 | 7 | 6,486 | 3 | 5 |
| CHL | 343 | 4 | 7 | 814 | 2 | 3 | 903 | 2 | 3 | 996 | 1 | 2 | 1,159 | 2 | 2 | 1,060 | 3 | 15 | 1,105 | 0 | 6 | 6,380 | 2 | 5 |
| CIP | 334 | 1 | 6 | 813 | 1 | 4 | 911 | 0 | 2 | 995 | 0 | 1 | 1,162 | 0 | 1 | 1,110 | 2 | 6 | 1,101 | 1 | 1 | 6,426 | 1 | 3 |
| GEN | 343 | 4 | 5 | 821 | 2 | 4 | 905 | 2 | 16 | 993 | 2 | 2 | 1,201 | 2 | 3 | 1,078 | 3 | 7 | 1,111 | 3 | 4 | 6,452 | 3 | 6 |
| KAN | 312 | 4 | 16 | 623 | 2 | 7 | 680 | 2 | 10 | 738 | 2 | 6 | 2,468 | 3 | 10 | |||||||||
| NAL | 328 | 1 | 4 | 726 | 2 | 8 | 885 | 2 | 4 | 947 | 1 | 4 | 1,130 | 1 | 4 | 1,035 | 2 | 6 | 1,092 | 2 | 3 | 6,143 | 2 | 5 |
| SMX | 248 | 3 | 5 | 431 | 6 | 9 | 495 | 4 | 4 | 615 | 4 | 5 | 734 | 5 | 8 | 649 | 6 | 7 | 678 | 5 | 6 | 3,850 | 5 | 6 |
| STR | 312 | 4 | 12 | 679 | 7 | 27 | 718 | 4 | 34 | 768 | 9 | 39 | 947 | 1 | 21 | 896 | 5 | 22 | 875 | 4 | 26 | 5,195 | 5 | 26 |
| SXT | 757 | 2 | 5 | 724 | 7 | 10 | 929 | 2 | 2 | 1,051 | 3 | 4 | 996 | 3 | 5 | 971 | 3 | 3 | 5,428 | 3 | 5 | |||
| TET | 335 | 6 | 13 | 804 | 7 | 18 | 861 | 3 | 7 | 995 | 4 | 11 | 1,122 | 5 | 11 | 1,054 | 9 | 20 | 1,047 | 4 | 11 | 6,218 | 5 | 13 |
| TMP | 295 | 1 | 1 | 416 | 1 | 2 | 499 | 3 | 3 | 582 | 1 | 1 | 729 | 2 | 2 | 607 | 1 | 2 | 583 | 1 | 2 | 3,711 | 1 | 2 |
| AUG | 973 | 6 | 12 | 950 | 9 | 22 | 908 | 6 | 17 | 2,831 | 7 | 17 | ||||||||||||
| CAZ | 769 | 7 | 11 | 830 | 1 | 1 | 1,599 | 4 | 6 | |||||||||||||||
| XNL | 225 | 2 | 9 | 258 | 0 | 6 | 483 | 1 | 8 | |||||||||||||||
| CTX | 995 | 0 | 14 | 956 | 7 | 15 | 914 | 1 | 2 | 2,865 | 3 | 10 | ||||||||||||
| POD | 305 | 1 | 26 | 389 | 4 | 16 | 694 | 3 | 21 | |||||||||||||||
| Total | 3,193 | 3 | 8 | 7,706 | 3 | 9 | 8,499 | 3 | 9 | 9,577 | 3 | 7 | 12,381 | 3 | 7 | 12,782 | 4 | 12 | 12,976 | 3 | 7 | 67,229 | 3 | 9 |
a
We have excluded data from one strain which may have lost resistance due to transport or storage stress in 2003.