Table 1.

Results of mechanical testing

Groups		Length (mm)	Area (mm2)	Maximum load (N)	Stiffness (N/mm)	Young’s modulus (MPa)
Two-week	Control	6.02 ± 0.65	4.17 ± 0.80	74.83 ± 5.87	39.93 ± 5.99	18.95 ± 1.73
	Vehicle	6.09 ± 0.66	4.77 ± 0.39	41.91 ± 11.19a	20.77 ± 3.40a	9.20 ± 2.63a
	Relaxin	5.09 ± 0.55	4.06 ± 0.83	39.48 ± 5.93a	14.71 ± 3.17a	5.42 ± 2.70a
Four-week	Control	5.95 ± 0.94	3.88 ± 0.70	76.54 ± 6.41	40.12 ± 5.82	17.66 ± 2.25
	Vehicle	6.12 ± 0.35	4.91 ± 0.78	65.90 ± 7.69	28.26 ± 7.81a	15.91 ± 3.77
	Relaxin	5.71 ± 0.94	4.39 ± 0.56	50.57 ± 9.91a,b	21.05 ± 5.96a	9.39 ± 3.37a,b

^a p < 0.05 significantly different from the control group

^b p < 0.05 significantly different from the vehicle group