From: Downregulation of angiogenic factors in aqueous humor associated with less intraoperative bleeding in PDR patients with NVG receiving conbercept: a randomized controlled trial
Group
N
IOB
Yes
No
I
18
3 (16.67)
15 (83.33)
II
16
11 (68.75)
5 (31.25)
P
0.004