Table 7. Percent agreement between the STANDARD G6PD Test and the spectrophotometric reference test using the manufacturer’s threshold values at 30% and 70% G6PD activity thresholds, on capillary specimens.
| Spectrophotometric reference test | |||||
|---|---|---|---|---|---|
| Deficient | Intermediate | Normal | Total | ||
| STANDARD G6PD Test | Deficient | 58 | 17 | 19 | 94 |
| Intermediate | 0 | 16 | 62 | 78 | |
| Normal | 0 | 2 | 1,519 | 1,521 | |
| Total | 58 | 35 | 1,600 | 1,693 | |
G6PD, glucose-6-phosphate dehydrogenase.
Kappa: 0.60. Percent agreement between hemoglobin-normalized G6PD activity categorized results and the STANDARD Test was 94.1% (95% CI 92.9%–95.2%).