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Agreement between LAB and KIT for 71 expected positive and negative crossmatches combined, separated by strength of reaction. Linear weighted κ = 0.40 (0.23‐0.56). This data does not include crossmatches using recipients with unidentified antibody (similar κ of 0.40)
| LAB | |||||
|---|---|---|---|---|---|
| KIT | Reaction | 0 | 1+ | 2+ | 3+ |
| 0 | 19 | 4 | 3 | 2 | |
| 1+ | 7 | 1 | 1 | 1 | |
| 2+ | 5 | 0 | 1 | 3 | |
| 3+ | 3 | 2 | 6 | 11 | |
