Table 4.
Subject Errors
| Error | Subjects with this error, na | Failure—no A1C result, nb | FTF rate associated with error (n = 27)c | ||||||
|---|---|---|---|---|---|---|---|---|---|
| +DVD | –DVD | Total | +DVD | –DVD | Total | +DVD | –DVD | Total | |
| Did not insert blood collector into shaker properly | 9 | 17 | 26 | 4 | 11 | 15 | 15% | 41% | 56% |
| Did not fill blood collector properly | 2 | 12 | 14 | 1 | 7 | 8 | 4% | 26% | 30% |
| Shook shaker for <5 s | 12 | 8 | 20 | 2 | 3 | 5 | 7% | 11% | 19% |
| Did not shake the shaker at all | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
| Removed shaker base too early | 0 | 1 | 1 | 0 | 1 | 1 | 0 | 4% | 4% |
a
Subjects may have experienced more than one error during the initial self-test.
b
A total of 27 subjects experienced 29 errors that led to failure.
c
Calculated as (100 × number of failures associated with the error)/total number of subjects that experienced a failure.