Hospital number | 2016 | 2017 | 2018 | 2019 | |||||||||||||
n | pos | neg | CRR (%) | n | pos | neg | CRR (%) | n | pos | neg | CRR (%) | n | pos | neg | CRR (%) | p value | |
1 | 390 | 5 | 385 | 1.28 | 376 | 13 | 363 | 3.46 | 361 | 8 | 353 | 2.22 | 349 | 5 | 344 | 1.43 | 1 |
2 | 215 | 12 | 203 | 5.58 | 146 | 13 | 133 | 8.90 | 244 | 15 | 229 | 6.15 | 220 | 24 | 196 | 10.91 | 0.0549 |
3 | 882 | 42 | 840 | 4.76 | 790 | 34 | 756 | 4.30 | 784 | 24 | 760 | 3.06 | 727 | 35 | 692 | 4.81 | 1 |
4 | 157 | 23 | 134 | 14.65 | 129 | 21 | 108 | 16.28 | 162 | 27 | 135 | 16.67 | 208 | 35 | 173 | 17.24 | 0.6648 |
5 | 290 | 39 | 251 | 13.45 | 226 | 23 | 203 | 10.18 | 299 | 21 | 278 | 7.02 | 452 | 37 | 415 | 8.19 | 0.0253 |
6 | 585 | 99 | 486 | 16.92 | 623 | 109 | 514 | 17.50 | 517 | 76 | 441 | 14.70 | 1231 | 92 | 1139 | 7.47 | 0.0001 |
7 | 132 | 10 | 122 | 7.58 | 120 | 16 | 104 | 13.33 | 194 | 8 | 186 | 4.12 | 179 | 16 | 163 | 8.94 | 0.8362 |
8 | 501 | 64 | 437 | 12.77 | 493 | 56 | 437 | 11.36 | 603 | 48 | 555 | 7.96 | 637 | 60 | 577 | 9.42 | 0.0843 |
9 | 294 | 5 | 289 | 1.70 | 298 | 13 | 285 | 4.36 | 246 | 8 | 238 | 3.25 | 255 | 13 | 242 | 5.10 | 0.0307 |
Results above the 10% limit are in bold.
CRR, contamination recovery rate; n, number of samples examined; neg, number of samples without growth; hospital number, hospital pharmacy number in this study; pos, number of samples with one or more cfu; p value, CRR 2019 compared with CRR 2016.