Table 3.

Comparison of maximum strain [(N/mm²)].

Group	Week 6	Week 8	Week 12	F value	P value
Control group	26.03±3.49	26.71±2.70	26.47±3.03	0.229	0.728
Sham operation group	13.46±2.24*	21.74±1.79*	25.88±2.73	146.565	<0.001
Model group	7.98±2.27*,#	10.46ω2.01*,#	14.02±2.61*,#	20.063	0.006
Experimental group	13.98±1.45*,Δ	21.28±1.74*,Δ	25.85ω2.49Δ	79.013	<0.001
F value	39.425	55.981	21.688
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).