[Retracted] Study on BCVA, CMT, CME, Curative Effect, and Prognostic Value of DR Sufferers Based on Surgical Therapy Combined with VEGF Therapy at Different Times

Table 4

Contrast of blood vessel density of retinal capillaries before and after therapy in two sets of sufferers (x ̅± s).

Set	Number of cases	Before therapy	1-month therapy	3-month therapy
Examination set	85	44.53 ± 0.27	42.82 ± 0.04	42.12 ± 0.14
Contrast set	85	44.48 ± 0.29	43.83 ± 0.03	43.57 ± 0.21
t		0.532	4.362	8.153
P		0.617	0.001	0.001