Variable Estimate SE P value
Intercept 1.397 0.307 0.002**
Filter pore size (3 µm) 1.220 0.434 0.023*
Filter pore size (0.8 µm) 0.498 0.434 0.285
Filter pore size (0.2 µm) 0.039 0.434 0.930
log10(Marker length) −0.424 0.115 0.006**
Filter pore size (3 µm): log10(Marker length) −0.219 0.162 0.215
Filter pore size (0.8 µm): log10(Marker length) 0.062 0.162 0.714
Filter pore size (0.2 µm): log10(Marker length) 0.186 0.162 0.284