Table 3.
Validity of DMF vs NYS Vital Statistics and NJ Vital Statistics and validity of DMF for out‐of‐hospital death
| Validity of DMF vs NYS Vital Statistics | |||
|---|---|---|---|
| January 2007‐October 2011 | November 2011‐December 2015 | P‐value | |
| NYS VS all deaths | n = 10 267 | n = 5365 | |
| DMF deaths | 7662 (74.6%) | 1426 (26.6%) | <0.001 |
| DMF sensitivity | 74.63% | 26.58% | — |
| DMF specificity | 94.19% | 97.92% | — |
| DMF Kappa coefficient | 0.71 | 0.33 | — |
| Validity of DMF vs NJ Vital Statistics | |||
|---|---|---|---|
| January 2007‐October 2011 | November 2011‐December 2015 | P‐value | |
| NJ VS deaths | n = 1167 | n = 549 | P‐value |
| DMF deaths | 731 (62.6%) | 59 (10.7%) | <0.001 |
| DMF sensitivity | 62.64% | 10.75% | — |
| DMF specificity | 95.86% | 99.13% | — |
| DMF Kappa coefficient | 0.64 | 0.15 | — |
| Validity of DMF for Out‐of‐hospital death, NYS residents only | |||
|---|---|---|---|
| January 2007‐October 2011 | November 2011‐December 2015 | P‐value | |
| n = 8406 | n = 4287 | ||
| NYS VS OOH deaths | 6003 (71.4%) | 1241 (28.9%) | <0.001 |
| DMF sensitivity OOH | 71.41% | 28.95% | — |
| DMF specificity OOH | 87.68% | 97.33% | — |
| DMF Kappa coefficient OOH | 0.58 | 0.34 | — |
NJ deaths through December 31, 2015, NYS deaths through December 31, 2015. OOH death defined as NY resident who was treated at our institution, died in NY, but did not die in our institution, through December 31, 2015.
DMF, Death Master File; NJ VS, New Jersey Vital Statistics; NYS VS, New York State Vital Statistics; OOH, out of hospital.