Table 4. Processing errors and missed opportunities.
| Alere m-PIMA | GeneXpert | Total | |
|---|---|---|---|
| Total number of testing opportunitiesa | 565 | 486 | 1,051 |
| Valid result not available | 41 (7.3%) | 6 (1.2%) | 47 (4.5%) |
| Missed opportunity: cartridge stock out | 17 (3.0%) | 40 (8.2%) | 57 (5.4%) |
| Missed opportunity: machine breakdown | 15 (2.7%) | 0 (0%) | 15 (1.4%) |
| Missed opportunity: insufficient sample | 1 (0.2%) | 2 (0.4%) | 3 (0.3%) |
| Missed opportunity: provider error | 9 (1.6%) | 3 (0.6%) | 12 (1.1%) |
| Missed opportunity: unknown reason | 62 (11%) | 49 (10.1%) | 111 (10.6%) |
| Total | 145 (25.7%) | 100 (20.6%) | 245 (23.3%) |
aTotal number of testing opportunities defined as the total number of samples collected (whether successfully processed or not) plus number of missed opportunities.