Table 1.
Percentage distribution and case-fatality rates of adult hospitalizations with a diagnosis of VTE by demographic and clinical characteristics, NIS, 2009
| Characteristics | Unweighted n |
Estimated distribution | In-hospital death (Na = 44,200) | |||
|---|---|---|---|---|---|---|
| N | % | Case-fatality (%) | CIb | P-valuec | ||
| Overall | 153,124 | 773,273 | 100 | 5.7 | 5.5-5.9 | |
| Age | P<0.001 | |||||
| 18-49 | 32,448 | 163,007 | 21.1 | 2.7 | 2.5-3.0 | |
| 50-79 | 87,401 | 441,227 | 57.1 | 6.0 | 5.7-6.2 | |
| ≥80 | 33,275 | 169,039 | 21.9 | 7.9 | 7.5-8.3 | |
| Sex | P<0.001 | |||||
| Male | 73,324 | 369,954 | 47.9 | 6.0 | 5.8-6.3 | |
| Female | 79,800 | 403,319 | 52.1 | 5.4 | 5.2-5.7 | |
| Race/ethnicityd | P<0.001 | |||||
| White | 93,654 | 473,796 | 61.3 | 5.6 | 5.4-5.9 | |
| Black | 20,814 | 105,294 | 13.6 | 5.8 | 5.4-6.2 | |
| Hispanic | 9,074 | 45,842 | 5.9 | 6.1 | 5.6-6.8 | |
| Asian or other race/ethnicity | 6,289 | 32,321 | 4.2 | 7.8 | 7.0-8.6 | |
| Not stated | 23,293 | 116,020 | 15.0 | 5.3 | 4.7-6.0 | |
| Days of hospital stay | P<0.001 | |||||
| < 7 days | 83,673 | 422,955 | 54.7 | 4.3 | 4.1-4.5 | |
| ≥ 7 days | 69,451 | 350,318 | 45.3 | 7.5 | 7.2-7.8 | |
| Primary expected payer | P<0.001 | |||||
| Medicare | 85,207 | 431,696 | 55.8 | 6.7 | 6.4-6.9 | |
| Medicaid | 13,829 | 69,660 | 9.0 | 4.8 | 4.4-5.2 | |
| Private including HMO | 42,151 | 212,229 | 27.4 | 4.5 | 4.2-4.8 | |
| Self-pay or other payers | 11,937 | 59,688 | 7.7 | 4.4 | 4.0-4.9 | |
| Operating room procedure | P<0.001 | |||||
| No procedure of any kind recorded | 61,111 | 309,521 | 40.0 | 1.9 | 1.8-2.1 | |
| Non-operating room procedure recordede |
48,877 | 246,454 | 31.9 | 9.5 | 9.1-9.9 | |
| Operating room procedure recordedf | 43,136 | 217,298 | 28.1 | 6.6 | 6.3-6.9 | |
| Number of comorbiditiesg | P<0.001 | |||||
| 0 | 10,998 | 55,743 | 7.2 | 1.7 | 1.4-2.0 | |
| 1 | 23,177 | 117,449 | 15.2 | 3.4 | 3.1-3.7 | |
| 2 | 30,808 | 156,034 | 20.2 | 4.4 | 4.1-4.8 | |
| 3 | 30,831 | 154,254 | 19.9 | 5.3 | 5.5-5.7 | |
| 4 | 24,205 | 122,067 | 15.8 | 6.4 | 6.0-6.8 | |
| ≥5 | 33,405 | 167,726 | 21.7 | 9.7 | 9.3-10.2 | |
a. Estimated (N) number of in-hospital deaths with a diagnosis of VTE. b. 95% confidence interval. c. P-value for Pearson Chi-Square test. d. May not be nationally representative because not all participating states collect race/ethnicity information. e. Had at least one minor diagnostic or minor therapeutic procedure (without any major diagnostic or major therapeutic procedure) during hospitalization. f. Had at least one major diagnostic or major therapeutic procedure during hospitalization. g. Based on AHRQ 29-comorbidity index.