Macular Edema and Visual Acuity Observation after Cataract Surgery in Patients with Diabetic Retinopathy

Table 3

Comparison of BCVA at different time (‾x ± s).

Group	N	Before treatment	1 month after treatment	3 months after treatment
Experimental group	52	0.29 ± 0.15	0.77 ± 0.23	0.79 ± 0.21
Control group	54	0.30 ± 0.13	0.62 ± 0.26	0.65 ± 0.23
t		0.367	3.142	3.269
		0.714	<0.05	<0.05