| Sources of variations | Type III Sum of Squares | df | Mean Square | F | significance |
| Corrected Model | 62.5 | 2 | 31.3 | 5.8 | 5.00E−03 |
| Intercept | 2509.1 | 1 | 2509.1 | 463.7 | 0.00E+00*** |
| Substrate | 62.5 | 2 | 31.3 | 5.8 | 5.00E−03*** |
| Error | 308.4 | 57 | 5.4 |
|
|
| Total | 2880.0 | 60 |
|
|
|
| Corrected Total | 370.9 | 59 |