Table 1.
Summary measures of agreement between GI and non-GI procedures
| Concordance parameter | N | Estimate or P-value | 95% CI |
|---|---|---|---|
| Serostatus agreement (%) | 48 | 100 | 92.6–100 |
| Discordance imbalance P-value | 1.0000 | ||
| Geometric mean fold ratio in titer (GI/non-GI) | 36 | 0.84 | 0.75–0.95 |
| Pearson’s correlation coefficient | 0.94 | 0.89–0.97 | |
| Lin’s accuracy coefficient | 0.98 | 0.97–0.99 | |
| Lin’s concordance correlation coefficient | 0.93 | 0.87–0.96 | |
| Concordance slope | 0.96 | 0.85–1.09 | |
| Concordance intercept | 1.07 | 0.51–2.26 |
GI = gamma irradiation.