Table 1.

Membrane tested in endurance bench.

Aging group	Membrane	Number of cycles	Duration of the test	In vivo equivalent
1	A	3.61 × 107	64 days	9 month
	B	3.61 × 107	64 days	9 month
	C	8.73 × 107	111 days	22 month
	D	8.73 × 107	111 days	22 month
2	E	1.11 × 108	124 days	28 month
	F	1.11 × 108	124 days	28 month
	G	1.49 × 108	192 days	38 month
	H	1.49 × 108	192 days	38 month
	I	1.85 × 108	236 days	4 years
	J	1.85 × 108	236 days	4 years