| Source of variation | d.f. | Wald Stat. | P | 
| Intercept | 1 | 1.011480 | 0.314548 | 
| Provenance within establishment | 1 | 4.762631 | 0.029084 | 
| Intercept | 1 | 0.789130 | 0.374363 | 
| Provenance within consolidation | 1 | 0.000000 | 1.000000 | 
| Intercept | 1 | 0.085022 | 0.770604 | 
| Apical between in vitro phase | 1 | 5.097302 | 0.023963 | 
| Intercept | 1 | 1.052173 | 0.305007 | 
| Basal between in vitro phase | 1 | 0.000000 | 1.000000 |