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Effect of viability of cryopreserved PBMC on LPA results
| Viability level or stimulant | n | Difference between log10 SI (fresh) and log10 SI (frozen)
|
Spearman correlation
|
||
|---|---|---|---|---|---|
| Mean | Median | Correlation coefficient | P value | ||
| Lower viability | |||||
| Tetanus | 21 | 0.816 | 1.08 | −0.62 | <0.01 |
| Candida | 21 | 0.818 | 1.226 | −0.54 | 0.01 |
| PWM | 21 | 0.143 | −0.376 | −0.82 | <0.0001 |
| Viability ≥75% | |||||
| Tetanus | 11 | 0.281 | 0.232 | −0.21 | 0.53 |
| Candida | 11 | 0.351 | 0.689 | −0.5 | 0.12 |
| PWM | 11 | −0.963 | −0.757 | −0.27 | 0.43 |
