Table 2. Factors associated with neovascularization in the fellow eye of patients presenting with unilateral type 3 neovascularization.

Risk factors	Fellow eye NV(+) n = 49	Fellow eye NV(-) n = 44	p-value
Age, years	76.9 ± 5.5	77.6 ± 6.5	0.606†
Sex, male (%)	9 (18.4%)	9 (20.5%)	0.799*
Follow-up duration, months	68.4 ± 31.4	63.5 ± 31.0	0.458†
Diabetes mellitus, no.(%)	12 (24.5%)	4 (9.1%)	0.091 ‡
Hypertension, no.(%)	19 (38.8%)	13 (30.0%)	0.350*
Large soft drusen of the fellow eye, no. (%)	41 (83.7%)	16 (36.46%)	<0.001*
Reticular pseudodrusen of the fellow eye, no. (%)	33 (67.3%)	18 (40.9%)	0.017*
Subfoveal choroidal thickness of the fellow eye, μm	156.9 ± 53.4	167.9 ± 78.3	0.176†
Choroidal vascular index of the fellow eye, %	60.7 ± 2.0	61.7 ± 2.5	0.047†
Type 3 neovascularization stage, no. (%)			0.980*
1	11 (22.4%)	10 (22.7%)
2	17 (34.7%)	16 (36.4%)
3	21 (42.9%)	18 (40.9%)

All continuous data are presented as means ± standard deviations.

^† p-value by independent t-test,

* p-value by chi-square test,

^‡ p-value by Fisher’s exact test,

NV, neovascularization.