Table 1. Weight loss ± Standard deviation of all specimens tested at two millions of cycles.

	Mean ± Standard deviation
Cycles [Mc]	STD_PE	XLPE	XLPE_VE	K-W test (p-value)
0.4	4.0 ±0.4	2.1 ±0.6	4.0 ±0.3	0.066
0.8	8.0 ±1.2	3.7 ±1.3	7.1 ±0.5	0.051
1.2	13.2 ±1.7	5.8 ±1.2	13.6 ±2.1	0.066
1.6	17.4 ±1.2	8.1 ±2.1	20.6 ±3.9	0.051
2	21.3 ±14.4	10.2 ±2.1	28.2 ±4.0	0.252