TABLE I.
PQ detection results from four PQ-poisoned patients before HP treatment analyzed by our detection methods and by spectrophotometry, which is considered the highest clinical standard. (N = 3; mean intensity ± S.D.; sodium dithionite assay: P < 0.83, ascorbic acid assay: P < 0.90.)
| Patient 1 | Patient 2 | Patient 3 | Patient 4 | |
|---|---|---|---|---|
| Gender | Female | Male | Male | Male |
| Age (years) | 34 | 58 | 50 | 41 |
| Poisoning source | Intentional ingestion | Intentional ingestion | Intentional ingestion | Accidental exposure |
| Time elapsed from ingestion to arrival at ER (hours) | 1.5 | N/A | 6.5 | 2 |
| Time elapsed from ingestion to the beginning of HP (hours) | 25 | N/A | 8.5 | 4.3 |
| Sodium dithionite assay (ppm) | 3.31 ± 1.34 | 25.71 ± 1.78 | 1.89 ± 1.14 | 3.21 ± 1.04 |
| Ascorbic acid assay (ppm) | 3.15 ± 0.68 | 23.93 ± 0.61 | 1.92 ± 0.24 | 2.29 ± 0.24 |
| Spectrophotometry (ppm) | 2.69 | 22.08 | 1.75 | 2.37 |
| Urine sodium dithionite test (ppm) | >50 | >50 | >50 | >50 |