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. 2022 Aug 4;10(4):e01075-22. doi: 10.1128/spectrum.01075-22

TABLE 3.

Cohen’s kappa statistic measure of agreement between different cryptococcal antigen testing methodsa

Sample Cohen’s kappa Expected agreement Observed agreement SE P value
Urine vs sCrAg 0.32 73.7% 82.0% 0.025 <0.0001
FP whole blood vs sCrAg 0.60 86.2% 94.5% 0.026 <0.0001
CSF vs urine 0.181 41.75% 52.30% 0.071 0.023
CSF vs FP whole blood 0.373 53.40% 70.77% 0.1 <0.0001
a

sCrAg, serum cryptococcal antigen laboratory-based testing; FP, fingerprick; CSF, cerebrospinal fluid.