Table 4.

Comparison of elastic modulus [(N/mm²)].

Group	Week 6	Week 8	Week 12	F value	P value
Control group	63.49±5.2	64.27±4.45	63.31±4.11	0.397	0.612
Sham operation group	51.28±3.71*	54.04±3.21*	63.12±2.41	15.544	0.007
Model group	24.97±2.15*,#	33.41±4.15*,#	44.12±5.87*,#	39.952	<0.001
Experimental group	50.37±4.1*,Δ	55.94±3.58*,Δ	64.78±3.46Δ	25.765	0.007
F value	100.642	35.703	10.268
P value	<0.001	<0.001	0.001

^*indicates that there is a difference compared with the control group (p<0.05),

^#indicates that there is a difference compared with the sham operation group (p<0.05),

^Δindicates that there is a difference compared with the model group (p<0.05).