Table 3.
Distribution of Gram-Negative Antibiotic-Resistant Pathogens by Setting, Culture Source, and Quarter
| Characteristic | Enterobacterales | Pseudomonas aeruginosa | Acinetobacter spp | Stenotrophomonas maltophilia | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Tested | Carb-NS (%) | FQ-NS (%) | Tested | Carb-NS (%) | FQ-NS (%) | Tested | Carb-NS (%) | Tested | FQ-NS (%) | |
| Overall | 6 316 806 | 43 272 (0.7%) | 1 310 150 (20.7%) | 749 382 | 96 961 (12.9%) | 183 956 (24.6%) | 48 172 | 14 608 (30.3%) | 72 150 | 8690 (12.0%) |
| Setting | ||||||||||
| Ambulatory | 4 040 147 | 15 837 (0.4%) | 750 020 (18.5%) | 329 996 | 31 159 (9.4%) | 73 309 (22.2%) | 16 808 | 2616 (15.6%) | 25 471 | 2932 (11.5%) |
| Inpatient | 2 276 659 | 27 435 (1.2%) | 560 130 (24.6%) | 419 386 | 65 802 (15.7%) | 110 647 (26.4%) | 31 364 | 11 992 (38.2%) | 46 679 | 5758 (12.3%) |
| Culture source | ||||||||||
| Respiratory | 165 252 | 6319 (3.8%) | 34 438 (20.8%) | 173 086 | 40 459 (23.4%) | 54 696 (31.6%) | 12 420 | 5670 (45.7%) | 34 224 | 4562 (13.3%) |
| Nonrespiratory | 6 151 554 | 36 953 (1.2%) | 1 275 712 (20.1%) | 576 296 | 56 502 (9.9%) | 129 260 (18.8%) | 35 752 | 8938 (26.0%) | 37 926 | 4128 (10.4%) |
| Quarter | ||||||||||
| Q1 | 1 437 289 | 9661 (0.7%) | 311 796 (21.6%) | 172 887 | 23 040 (13.3%) | 44 119 (25.6%) | 10 671 | 3674 (34.4%) | 16 407 | 2046 (12.5%) |
| Q2 | 1 521 108 | 10 517 (0.7%) | 320 811 (21.2%) | 177 877 | 23 521 (13.2%) | 44 966 (25.2%) | 11 452 | 3 627 (31.7%) | 17 314 | 2108 (12.2%) |
| Q3 | 1 697 602 | 11 514 (0.7%) | 338 012 (19.9%) | 200 624 | 25 214 (12.6%) | 47 774 (23.8%) | 13 666 | 3661 (26.8%) | 19 261 | 2223 (11.5%) |
| Q4 | 1 660 807 | 11 580 (0.7%) | 339 531 (20.5) | 197 994 | 25 214 (12.7%) | 47 097 (23.8%) | 12 383 | 3646 (29.4%) | 19 168 | 2313 (12.1%) |
Abbreviations: Carb, carbapenem; FQ, fluoroquinolones; NS, not susceptible.