TABLE 2.

Effect of viability of cryopreserved PBMC on LPA results

Viability level or stimulantnDifference between log10 SI (fresh) and log10 SI (frozen)Spearman correlation
MeanMedianCorrelation coefficientP value
Lower viability
    Tetanus210.8161.08−0.62<0.01
    Candida210.8181.226−0.540.01
    PWM210.143−0.376−0.82<0.0001
Viability ≥75%
    Tetanus110.2810.232−0.210.53
    Candida110.3510.689−0.50.12
    PWM11−0.963−0.757−0.270.43