Table 3.
Results of two Linear Mixed-Effect Models exploring predictors of Absolute Neutrophil Count.
Base Model (Clozapine Dose & Levels) | Base Model + PGx Predictors | |||||
---|---|---|---|---|---|---|
Estimate | Std. Error | P value | Estimate | Std. Error | P value | |
Daily Dose | 0.133 | 0.034 | 1.08 × 10−4 | 0.095 | 0.043 | 0.028 |
[Clozapine] | −0.166 | 0.054 | 0.002 | −0.158 | 0.065 | 0.015 |
[Norclozapine] | 0.219 | 0.055 | 6.06 × 10−5 | 0.225 | 0.065 | 6.15 × 10−4 |
TDS | 0.039 | 0.023 | 0.094 | 0.058 | 0.029 | 0.044 |
Sex (Male) | −0.110 | 0.089 | 0.218 | −0.078 | 0.114 | 0.495 |
Age | 0.220 | 0.040 | 6.56 × 10−8 | 0.213 | 0.051 | 4.03 × 10−5 |
Age2 | −0.067 | 0.038 | 0.078 | −0.072 | 0.048 | 0.140 |
CYP1A2 Activity Score | 0.155 | 0.056 | 0.006 | |||
rs2472297_T | 0.008 | 0.057 | 0.887 | |||
rs61750900_T | 0.043 | 0.049 | 0.382 | |||
rs2011425_G | −0.008 | 0.052 | 0.872 | |||
rs1126545_T | −0.020 | 0.051 | 0.701 | |||
Random Effects | ||||||
σ2 | 0.748 | 0.713 | ||||
τ00 LUIN | 0.883 | 0.965 | ||||
ICC | 0.541 | 0.575 | ||||
N LUIN | 811 | 517 | ||||
Observations | 2362 | 1563 | ||||
Marginal R2 / Conditional R2 | 0.052 / 0.565 | 0.060 / 0.601 |
Results of two Linear Mixed-Effect Models exploring predictors of Absolute Neutrophil Count (ANC). Standardised regression coefficients are reported alongside standard error and p values estimated using the lmerTest package.
PGx Pharmacogenomic, TDS Time between Dose and Sample, [Clozapine] Clozapine plasma concentration, [Norclozapine] Norclozapine plasma concentration, LUIN Participant Identifier used in CLOZUK3, σ2 Residual Variance, ICC Intraclass Correlation Coefficient, τ00 LUIN Random Intercept Variance, N LUIN Number of participants.