Table 2 Estimated parameters for models fitted to the for the flouride toothpaste data: overall treatment effect (μ), variance shift estimates for study j (${\omega }_j^2$) and between-study variance (τ²). M₀: Random effects model and M₁: Extended RVSOM for studies 38, 50, and 63.

μ

τ ²

${\omega }_{38}^2$

${\omega }_{50}^2$

${\omega }_{63}^2$