From: Comparison of methods to identify long term care nursing home residence with administrative data
Method | LTC nursing home length of stay in Medicaid data | |
---|---|---|
 | Cut off Length of stay >30a | Cut off Length of stay >100a |
 | N = 1,666 | N = 317 |
1) Part A and B with E&M Charge for NH Services | ||
 Sensitivity | 88.79% | 92.42% |
 PPVb |  | 64.59%b |
2) Part A with MDS episode of care | ||
 Sensitivity | 85.05% | 78.86% |
 PPV | 87.38% | 88.07% |
3) CMS Method: MDS alone | ||
 Sensitivity | 69.39% | 80.12% |
 PPVb |  | 72.70%b |