Table 3.

Mean and SD of Tangent Modulus in All Subgroups at Various Stress Levels

	Et, Mean ± SD (MPa)
	Stress Level
Group	2 kPa	4 kPa	6 kPa
BC	0.60 ± 0.36	0.89 ± 0.36	1.19 ± 0.37
MWT	0.44 ± 0.29	0.68 ± 0.29	0.93 ± 0.31
MWC	0.46 ± 0.17	0.73 ± 0.20	1.01 ± 0.25
MT	0.33 ± 0.14	0.50 ± 0.19	0.68 ± 0.25
MC	0.48 ± 0.21	0.72 ± 0.20	0.97 ± 0.22
P	0.037	0.001	<0.001