Acute and Chronic Local Inflammatory Reaction after Implantation of Different Extracellular Porcine Dermis Collagen Matrices in Rats

Table 1

Membrane characteristics before implantation (data are mean of 20 different measurements ± standard deviation).

	Permacol	NRX
Thickness	333 ± 5 µm	631 ± 19 µm
Fibre density	66.5 ± 1.7%	52.2 ± 1.4%
Ratio wet/dry weight	1.9	3.7