. 2019 Jul 15;48(1):133–143. doi: 10.1007/s10439-019-02320-2

Table 1.

The comparison of histological data between study groups.

Examined feature	Group I n = 15 (% of incidence, full polyamide)	Group II		p-value Group I vs. Group II 14 days polyamide side	p-value Group I vs. Group II 90 days polyamide side	p-value Group I vs. Group II 14 days polyester side	p-value Group I vs. Group II 90 days polyester side	p-value Group II 14 days polyamide side vs. Group II 14 days polyester side	p-value Group II 90 days polyamide side vs. Group II 90 days polyester side
Examined feature	Group I n = 15 (% of incidence, full polyamide)	14 days incubation time n = 11 (% of incidence on the polyamide side/% of incidence on the polyester side)	90 days incubation time n = 4 (% of incidence on the polyamide side/% of incidence on the polyester side)	p-value Group I vs. Group II 14 days polyamide side	p-value Group I vs. Group II 90 days polyamide side	p-value Group I vs. Group II 14 days polyester side	p-value Group I vs. Group II 90 days polyester side
Hyperaemia
0—lack	46.2	90.9/72.7	100.0/50.0	0.1771	0.3539	0.6564	0.5804	0.0542	0.4142
1—small degree	53.8	9.1/27.3	0/50.0
2—medium degree	0	0/0	0/0
3—significant degree	0	0/0	0/0
Chronic inflammatory infiltrate^a
0—lack	0	54.5/0	100.0/0	0.0003	0.4649	0.4046	0.0039	0.0063	0.0339
1—small degree	66.7	45.5/54.5	0/100.0
2—medium degree	26.7	0/45.5	0/0
3—significant degree	6.7	0/0	0/0
Purulent infiltration
0—lack	93.3	100.0/81.8	100.0/100.0	0.4657	0.7743	0.4657	0.4583	0.8738	0.7237
1—present	6.7	0/18.2	0/0
Foreign-body giant cells
0—lack	100.0	100.0/0	100.0/0	–	–	< 0.0001	< 0.0001	< 0.0001	< 0.0001
1—present	0	0/100.0	0/100.0
Cicatrisation
0—lack	0	0/0	0/0	0.0011	0.0276	0.2560	0.8312	0.5563	0.1441
1—small degree	46.7	0/0	0/0
2—medium	53.3	100.0/100.0	25.0/100.0
3—significant degree	0	0/0	75.0/0

Statistically significant results are given in bold.

^aIntensity of chronic inflammatory infiltrate measured with the number of lymphoid mononuclear cells.