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TABLE: (IGT80) Reaction Grades When Plasma Or Eluate Was Tested With Different Reagent Cells
| Indicator cells used | Untreated | Ficin Treated | Neuraminidase‐Treated | En(a‐) | |||
|---|---|---|---|---|---|---|---|
| M+ | M‐ | M+ | M‐ | M+ | M‐ | ||
| Neat Plasma (RT) | 4+ | 2‐3+ | Neg | Neg | NT | NT | Neg |
| Neat Plasma (37C) | 4+ | 1‐2+ | NT | NT | NT | NT | Neg |
| Neat Plasma (IAT) | 1‐4+* | Neg | Neg | Neg | NT | NT | Neg |
| Cold Adsorption/Heat Elution (plasma) | 4+ | 1+ | NT | NT | Neg | Neg | Neg |
| Acid Elution (autologous red cells) | 1‐2+ | Neg | NT | NT | NT | NT | |
NT = Not tested, * reactivity varies by dosage of M antigen
