Table 4.
Concordance between AChE and BChE for different categorizations of cholinesterase depression (N=215)
| Categories | Kappa | 95% CI |
|---|---|---|
| ≥20% Depression by BChE and AChE | −0.05 | (−0.08, −0.02) |
| Tertile of BChE and AChE Depression* | −0.11 | (−0.21, −0.01) |
Weighted Kappa coefficients are used to quantify tertile agreement