Table 3.
Laboratory Testing Instrument Malfunctions and Their Impact on Study Protocol Testing, KCMC-Duke Health Collaboration Sections of KCRI Biotechnology Laboratory, November 2012 to October 2014
| Section | No. of Validated Instruments | Total No. of Malfunction Frequencies | Malfunction-Related Test Suspension Frequency, No. (%) | Time to Engineer On-Site, Median (Range), d | Time to Resolution, Median (Range), d |
|---|---|---|---|---|---|
| Chemistry | 2 | 10 | 2 (20.0) | 6 (1-29) | 6 (1-136) |
| Hematology | 2 | 8 | 2 (25.0) | 16 (5-55) | 25 (11-158) |
| Immunology | 2 | 2 | 0 (0.0) | 9 (8-9) | 9 (8-9) |
| Microbiology | 1 | 0 | NA | NA | NA |
| Molecular | 1 | 3 | 3 (100.0) | 16 (6-30) | 16 (6-30) |
| Total | 8 | 23 | 7 (30.4) | 9 (1-55) | 9 (1-158) |
KCMC, Kilimanjaro Christian Medical Centre; KCRI, Kilimanjaro Clinical Research Institute; NA, not applicable.