Table 3. Microvascular density (D_box) at baseline, 1 week, 1 month, and 3 months postoperatively in 6 annular zones of RVN.

Superficial	C1	C2	C3	C4	C5	C6
Preoperation	1.500±0.059	1.557±0.042	1.529±0.032	1.516±0.028	1.511±0.023	1.540±0.019
Post-1 week	1.483±0.073	1.548±0.042	1.519±0.032	1.510±0.03	1.507±0.019	1.539±0.017
Post-1 month	1.480±0.078	1.545±0.043	1.518±0.036	1.501±0.035	1.503±0.027	1.532±0.019
Post-3 month	1.479±0.079	1.549±0.041	1.522±0.034	1.511±0.026	1.509±0.021	1.538±0.014
Re-ANOVA	p=0.247	p=0.978	p=0.202	p=0.017*	p=0.173	p=0.025*
Pre/1-week	p=0.087	p=0.177	p=0.016	p=0.112	p=0.202	p=0.431
Pre/1-month	p=0.054	p=0.033	p=0.026	p=0.001*	p=0.020	p=0.009*
Pre/3-month	p=0.138	p=0.381	p=0.287	p=0.259	p=0.624	p=0.405