Arterial wall mechanical characteristics after treatment in collagenase: an in vitro aneurysm model

Table 2: Changes in arterial wall thickness before and after various incubation periods

Incubation period, h	Arterial segment	Mean wall thickness before incubation period, mm (and SD)	Mean wall thickness after incubation period, mm (and SD)	Mean change in thickness, % (and SD)
0	DTA	1.27(0.22)	1.27(0.22)	0
	SRA	0.85(0.08)	0.85(0.08)	0
	IRA	0.80(0.04)	0.80(0.04)	0
1	DTA	1.04(0.15)	0.88(0.10)	15(4)
	SRA	0.74(0.08)	0.62(0.05)	16(3)
	IRA	0.61(0.04)	0.50(0.04)	18(4)
2	DTA	1.27(0.17)	1.02(0.07)	20(4)
	SRA	0.88(0.26)	0.68(0.03)	23(8)
	IRA	0.66(0.04)	0.50(0.02)	24(2)
3	DTA	1.41(0.13)	1.08(0.13)	23(5)
	SRA	1.06(0.15)	0.79(0.13)	25(8)
	IRA	0.89(0.05)	0.59(0.06)	34(5)
4	DTA	1.19(0.16)	0.90(0.20)	24(9)
	SRA	0.76(0.06)	0.50(0.07)	34(7)
	IRA	0.75(0.07)	0.46(0.05)	39(8)
5	DTA	1.14(0.20)	0.83(0.21)	27(12)
	SRA	0.76(0.14)	0.49(0.09)	36(13)
	IRA	0.66(0.05)	0.36(0.03)	45(7)
6	DTA	1.30(0.19)	0.88(0.11)	32(9)
	SRA	0.96(0.08)	0.57(0.10)	41(11)
	IRA	0.77(0.07)	0.43(0.05)	44(7)

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