Table 2.
All Verified National Death Index Death Records Linkage with California Non-Comprehensive Death File
| Deceased |
Alive |
Sensitivity, % (95% CI) | Specificity, % (95% CI) | PPV, % (95% CI) | |||
|---|---|---|---|---|---|---|---|
| NDI | Not in NDI | NDI | Not in NDI | ||||
| CNDF compared to NDI exact matches | 5,380 | 671 | 17,955 | 327 | 94.3 (93.6-94.9) | 96.4 (96.1-96.7) | 88.9 (88.1-89.7) |
| CNDF compared to all NDI matches | 5,961 | 90 | 17,955 | 327 | 94.8 (94.2-95.3) | 99.5 (99.4-99.6) | 98.5 (98.2-98.8) |
| Gender | |||||||
| Female | 2,409 | 376 | 7,756 | 147 | 94.2 (93.3-95.1) | 95.4 (94.9-95.8) | 86.5 (85.2-87.7) |
| Male | 2,971 | 295 | 10,199 | 180 | 94.3 (93.4-95.1) | 97.2 (96.9-97.5) | 91.0 (89.9-91.9) |
| Race and Ethnicity | |||||||
| American Indian | 5 | 2 | 31 | 1 | 83.3(35.9-99.6) | 93.9 (79.8-99.3) | 71.4 (29.0-96.3) |
| Asian | 205 | 34 | 1055 | 13 | 94.0 (90.0-96.8) | 96.9 (95.7-97.8) | 85.8 (80.7-89.9) |
| Black/African American | 774 | 109 | 2669 | 62 | 92.6 (90.6-94.3) | 96.1 (95.3-96.8) | 87.7 (85.3-89.8) |
| Native Hawaiian | 4 | 1 | 17 | 0 | 100.0 (39.8-100.0)⁎⁎ | 94.4 (72.7-99.9) | 80.0 (28.4-99.5) |
| White | 4,230 | 501 | 12,437 | 234 | 94.8 (94.1-95.4) | 96.1 (95.8-96.5) | 89.4 (88.5-90.3) |
| Other/Unknown | 162 | 24 | 1,746 | 17 | 90.5 (85.2-94.4) | 98.6 (98.0-99.1) | 87.1 (81.4-91.6) |
⁎⁎
One-sided, 97.5% confidence interval