Table 2 Comparison of interview and medical record data for basic ADL impairments (N = 1402)
From: Impact of data source and time reference of functional status on hospital mortality prediction
Measure | Valid | Prevalence of Impairment (%) | ||||||
|---|---|---|---|---|---|---|---|---|
Interview | Medical Records | κ | Sensitivity* (%) | Specificity* (%) | PPV* (%) | NPV* (%) | ||
Pre-admission | ||||||||
Any of 5-item ADL† | 1,383 | 33 | 38 | 0.71 | 87 | 87 | 77 | 93 |
Transferring | 1,224 | 36 | 31 | 0.75 | 93 | 89 | 73 | 97 |
Walking | 1,382 | 46 | 29 | 0.53 | 57 | 95 | 90 | 72 |
Any of 7-item ADL† | 1,387 | 48 | 39 | 0.64 | 72 | 91 | 88 | 78 |
On-admission | ||||||||
Any of 5-item ADL† | 1,375 | 36 | 78 | 0.24 | 97 | 33 | 45 | 95 |
Transferring | 1,376 | 27 | 78 | 0.18 | 98 | 30 | 34 | 98 |
Walking | 1,375 | 49 | 78 | 0.31 | 94 | 37 | 59 | 88 |
Any of 7-item ADL† | 1,374 | 50 | 83 | 0.28 | 97 | 31 | 59 | 91 |