Table 3.

Comparison in SD-OCT and OCTA parameters among non-converters vs. converters at baseline vs. follow-up.

	Baseline		Follow-up		Non-converters follow-up vs. baseline		Converters follow-up vs. baseline
	Non-converters	Converters	Non-converters	Converters	EMD	P-value	EMD	P-value
SD-OCT (μM)
GCC average	92.7 ± 11	91.5 ± 6.4	88.8 ± 11	86.7 ± 6.4	−3.8	0.04	−4.79	<0.001
RNFL average	95.6 ± 9.4	96.6 ± 7.1	92.3 ± 9.3	91.9 ± 7	−4.3	<0.001	−4.71	<0.001
OCTA (%)
SCP whole	45.7 ± 4.9	44.6 ± 4.1	42.6 ± 4.9	41.7 ± 4.2	−3.19	0.001	−2.93	0.005
DCP whole	46.6 ± 5.3	43.6 ± 7.4	42.6 ± 4.4	41.4 ± 7.4	−4.2	<0.001	−2.22	0.26
CC whole	69.8 ± 3.9	70.6 ± 5.3	69.5 ± 4.5	70.4 ± 5.5	−0.3	0.6	−0.20	0.72
RPC whole	46.4 ± 4.8	46.7 ± 5.7	43.2 ± 5.1	42.3 ± 5.8	−3.22	<0.001	−4.40	<0.001
FAZ area	0.3 ± 0.1	0.3 ± 0.2	0.4 ± 0.1	0.4 ± 0.1	0.12	<0.001	0.01	0.005

SD-OCT, spectral domain optical coherence tomography; EMD, estimated mean difference; GCC, ganglion cell complex; RNFL, retinal nerve fiber layer; OCTA, OCT angiography; SCP, superficial capillary plexus; DCP, deep capillary plexus; CC, choriocapillary plexus; RPC, radial peripapillary capillary; FAZ, foveal avascular zone.

Linear mixed models, P value < 0.05.