TABLE 1.
Cost of Cases of Acinetobacter Colonization to the Hospital
| Proportion of subjects with active infection | Cost per case,a US$, mean ± SD | Cost per year, US$, mean ± SD
|
||
|---|---|---|---|---|
| 1 Case/mo | 2 Cases/mo | 3 Cases/mo | ||
| Baseline distribution of attributable LOSb | ||||
| 20% | 8,246 ± 4,472 | 98,950 ± 15,491 | 197,900 ± 21,908 | 296,849 ± 26,831 |
| 30% | 12,490 ± 6,926 | 149,884 ± 23,994 | 299,797 ± 33,933 | 449,651 ± 41,559 |
| 40% | 16,072 ± 8,870 | 192,866 ± 30,727 | 385,732 ± 43,455 | 578,598 ± 53,221 |
| 50% | 19,731 ± 10,403 | 236,768 ± 36,036 | 473,536 ± 50,962 | 710,304 ± 62,415 |
| 60% | 24,805 ± 12,956 | 297,656 ± 44,882 | 595,312 ± 63,473 | 348,231 ± 77,739 |
| 70% | 29,019 ± 15,977 | 348,231 ± 55,345 | 696,462 ± 78,269 | 1,044,692 ± 95,860 |
| 5 Days attributable LOS | ||||
| 20% | 4,738 ± 1,567 | 56,857 ± 18,800 | 113,714 ± 37,599 | 170,571 ± 56,399 |
| 30% | 7,211 ± 2,264 | 86,536 ± 27,168 | 173,072 ± 54,337 | 259,608 ± 81,505 |
| 40% | 9,431 ± 3,040 | 113,176 ± 26,481 | 226,352 ± 72,963 | 339,527 ± 109,444 |
| 50% | 11,777 ± 3,817 | 141,323 ± 45,802 | 282,645 ± 91,604 | 423,968 ± 137,406 |
| 60% | 14,412 ± 4,589 | 172,942 ± 56,269 | 345,883 ± 112,537 | 518,825 ± 168,806 |
| 70% | 16,895 ± 5,199 | 202,743 ± 62,374 | 405,486 ± 124,748 | 608,228 ± 187,122 |
| 10 Days attributable LOS | ||||
| 20% | 9,523 ± 3,062 | 114,274 ± 36,739 | 228,547 ± 73,479 | 342,821 ± 110,218 |
| 30% | 14,207 ± 4,617 | 170,484 ± 55,401 | 340,968 ± 110,802 | 511,452 ± 166,203 |
| 40% | 19,114 ± 6,289 | 229,364 ± 75,470 | 458,728 ± 150,940 | 688,092 ± 226,410 |
| 50% | 24,038 ± 7,802 | 288,460 ± 93,619 | 576,921 ± 187,239 | 865,381 ± 280,858 |
| 60% | 28,407 ± 9,158 | 340,882 ± 109,900 | 681,765 ± 219,800 | 1,022,647 ± 329,701 |
| 70% | 33,003 ± 10,292 | 396,040 ± 123,508 | 792,080 ± 247,016 | 1,188,120 ± 370,524 |
| 15 Days attributable LOS | ||||
| 20% | 13,988 ± 4,559 | 167,855 ± 54,710 | 335,710 ± 109,419 | 503,565 ± 164,129 |
| 30% | 21,245 ± 6,928 | 254,941 ± 83,131 | 509,883 ± 166,262 | 764,824 ± 249,392 |
| 40% | 28,237 ± 9,091 | 338,844 ± 109,094 | 677,688 ± 218,188 | 1,016,532 ± 327,281 |
| 50% | 35,312 ± 11,212 | 423,743 ± 134,541 | 847,485 ± 269,082 | 1,271,228 ± 403,623 |
| 60% | 43,099 ± 14,115 | 517,183 ± 169,381 | 1,034,365 ± 338,762 | 1,551,548 ± 508,142 |
| 70% | 49,608 ± 16,429 | 595,299 ± 197,148 | 1,190,599 ± 394,295 | 1,785,898 ± 591,443 |
NOTE. LOS, length of stay; mo, month; SD, standard deviation.
a
A case was defined as carriage of A. baumannii or active A. baumannii infection.
b
Baseline, 25.23 ± 10.59 days.