Compound Danshen Dripping Pill for Treating Early Diabetic Retinopathy: A Randomized, Double-Dummy, Double-Blind Study

Table 7

Capillary nonperfusion area (PD) comparison of the two groups before and after treatment.

Group	n (eye)	Before treatment	After treatment	Capillary nonperfusion area evaluation after treatment
				≥10%	≥0 and <10%	<0
Treated group	56	0.21 ± 0.22	0.15 ± 0.15	12 (21.43%)	26 (46.43%)	18 (32.14%)
Control group	58	0.22 ± 0.23	0.14 ± 0.17	15 (25.86%)	25 (43.10%)	18 (31.03%)