Table 6. Trends in resistance rate of Staphylococcus aureus to antibiotics, 2006 to 2010.
| Antibiotics | 2006 | 2007 | 2008 | 2009 | 2010 | R2 | P | 95% CI | Trend |
|---|---|---|---|---|---|---|---|---|---|
| Penicillin G |
99.4 |
99.2 |
96.8 |
97.7 |
97.6 |
0.52 |
0.17 |
–1.41-0.39 |
Stable |
| Cefazolin |
85.5 |
85.8 |
70.8 |
72.4 |
83.7 |
0.13 |
0.55 |
–9.72-6.32 |
Stable |
| Ceftriaxone |
84.7 |
91.3 |
84.6 |
95.2 |
100.0 |
0.66 |
0.09 |
–1.06-7.96 |
Stable |
| Cefepime |
84.8 |
89.0 |
84.4 |
92.7 |
88.2 |
0.24 |
0.40 |
–2.39-4.49 |
Stable |
| Cefoxitin |
82.3 |
88.1 |
82.9 |
89.3 |
87.7 |
0.35 |
0.30 |
–1.82-4.22 |
Stable |
| Piperacillin/tazobactam |
77.7 |
91.3 |
82.9 |
90.3 |
89.0 |
0.35 |
0.29 |
–3.26-7.58 |
Stable |
| Amoxicillin |
63.1 |
56.8 |
66.7 |
70.5 |
71.0 |
0.63 |
0.11 |
–1.20-7.10 |
Stable |
| Levofloxacin |
84.2 |
77.8 |
90.0 |
86.3 |
78.5 |
0.01 |
0.89 |
–6.30-5.72 |
Stable |
| Cotrimoxazole |
42.1 |
46.0 |
38.4 |
42.3 |
22.9 |
0.54 |
0.16 |
–11.32-2.90 |
Stable |
| Erythromycin |
86.3 |
86.7 |
86.0 |
86.4 |
77.0 |
0.51 |
0.18 |
–5.30-1.52 |
Stable |
| Clindamycin |
78.7 |
76.6 |
68.5 |
64.4 |
63.5 |
0.93 |
0.01 |
–6.36-2.16 |
Decreasing |
| Teicoplanin |
0.0 |
1.7 |
0.0 |
0.8 |
0.0 |
N |
N |
N |
N |
| Vancomycin | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | N | N | N | N |
N: The data is not suitable for statistical analysis.