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Overall concordance rate between the PA method with a 4× antibody titer as the cutoff value and CLEIA (Lumipulse HTLV-I/II).
| PA_SERO | Total | |||
|---|---|---|---|---|
| Positive (≥4×) | Negative (<4×) | |||
| CLEIA_LU | Positive (COI ≥ 1.0) | 85 | 5 | 90 |
| Negative (COI < 1.0) | 0 | 2 | 2 | |
| Total | 85 | 7 | 92 | |
| Overall concordance rate | 94.6% | |||
PA, particle agglutination; CLEIA, chemiluminescence enzyme immunoassay; COI, cutoff index.
