. Author manuscript; available in PMC: 2022 Apr 30.

Published in final edited form as: Ophthalmology. 2021 Feb 26;128(9):1312–1324. doi: 10.1016/j.ophtha.2021.02.020

Table 5.

Multivariate Firth’s Bias-Reduced Cox Regression Analyses to Predict the Occurrence of Vitreous Hemorrhage

	Rate of VH Occurrence (eyes)	hazard ratio (HR)	95% CI for OR		P value
	Rate of VH Occurrence (eyes)	hazard ratio (HR)	Lower	Upper	P value
NV extensive
Yes	4/8	18.24	3.51	119.47	<0.001
No	9/47	1.00

Forward NV
Yes	10/29	9.60	2.07	68.08	0.002
No	3/26	1.00

NV=neovascularization;