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Characteristics of commercially-available conventional ELISA assays.
| NfL (n=44): | Tau (n=33): | |
|---|---|---|
| Immunoassay format: | ||
| Sandwich n (%): | 34 (77.3) | 32 (97.0) |
| Competitive n (%): | 8 (18.2) | 0 (0.0) |
| Unknown n (%): | 2 (4.5) | 1 (3.0) |
| Mode of detection: | ||
| Colormetric n (%): | 35 (79.5) | 25 (75.8) |
| Chemiluminesent n (%): | 5 (11.4) | 3 (9.1) |
| Flourescent n (%): | 0 (0.0) | 1 (3.0) |
| Unknown n (%): | 4 (9.1) | 4 (12.1) |
| LLOD mean (range): | 36.4 (12.4–156.0) pg/mL | 41.9 (6.3–500.0) pg/mL |
LLOD, lower limit of detection.
