A Randomized Controlled Trial of Conbercept Pretreatment before Vitrectomy in Proliferative Diabetic Retinopathy

Table 2

Surgical procedures and outcomes of participants with or without conbercept pretreatment.

	Preoperative intravitreal conbercept ()	Control ()	value
Severity of intraoperative bleeding grade			0.002
3	3	10
2	10	22
1	27	14
0	14	7
Recurrent VH
≤4 weeks	9 (16.67%)	26 (49.05%)	0.000
Severity of recurrent VH grade			0.000
4	0	1
3	0	2
2	2	8
1	7	15
>4 weeks	6 (11.11%)	8 (15.01%)	0.973
Severity of recurrent VH grade			0.732
4	0	0
3	0	1
2	2	3
1	4	4

VH: vitreous hemorrhage.