Table 5.
Comment Summary for Laboratories Unsure of the Breakpoints They Applied or if They Used Obsolete Breakpoints by Location
| Reason | All (N = 918) | United States (n = 835) | International (n = 83) |
|---|---|---|---|
| Efforts to use or implement current breakpoints underway | 405 (44.1) | 372 (44.6) | 33 (39.8) |
| Plan to update, in progress | 188 (46.4) | 181 (48.7) | 7 (21.2) |
| Not applicable because do not report, use alternate method, or send to reference laboratory | 128 (31.6) | 102 (27.4) | 26 (78.8) |
| Changing panels or instruments | 55 (13.6) | 55 (14.8) | 0 (0.0) |
| Validation testing not completed but underway | 34 (8.4) | 34 (9.1) | 0 (0.0) |
| Ongoing use of obsolete breakpoints, no current revisions in progress | 513 (55.9) | 463 (55.4) | 50 (60.2) |
| Manufacturer-related issues | 263 (51.3) | 232 (50.1) | 31 (62.0) |
| Resource limitations of staff, time, organisms, guidance, laboratory information system issues, cost | 120 (23.4) | 112 (24.2) | 8 (16.0) |
| Overlooked or unaware of breakpoint change or need to update | 68 (13.3) | 57 (12.3) | 11 (22.0) |
| Facility does not support | 30 (5.8) | 30 (6.5) | 0 (0.0) |
| Not done, under review for a variety of concerns | 28 (5.4) | 28 (6.0) | 0 (0.0) |
| Do not want or intend to update | 4 (0.8) | 4 (0.8) | 0 (0.0) |
Data are presented as No. (%).