Table 5.

Association between ERG parameters and retinal volume in the nine macular subfields

	Cone a-wave				Cone b-wave				Flicker wave
	Amplitude		Implicit time		Amplitude		Implicit time		Amplitude		Implicit time
	Rc	P-value	Rc	P-value	Rc	P-value	Rc	P-value	Rc	P-value	Rc	P-value
Fovea	−0.15	0.580	0.47	0.068	−0.24	0.367	0.54	0.037	−0.32	0.231	0.62	0.012
Superior inner macula	−0.25	0.343	0.10	0.706	−0.35	0.184	0.50	0.049	−0.31	0.246	0.50	0.049
Superior outer macula	−0.18	0.505	0.33	0.200	−0.47	0.066	0.53	0.036	−0.26	0.334	0.52	0.037
Inferior inner macula	−0.08	0.777	0.26	0.316	−0.23	0.390	0.55	0.027	−0.29	0.282	0.63	0.009
Inferior outer macula	−0.08	0.774	0.32	0.209	−0.43	0.097	0.51	0.043	−0.43	0.100	0.55	0.033
Nasal inner macula	−0.18	0.514	0.30	0.258	−0.50	0.048	0.63	0.009	0.02	0.936	0.58	0.017
Nasal outer macula	−0.09	0.734	0.44	0.086	−0.52	0.037	0.56	0.022	−0.05	0.855	0.53	0.036
Temporal inner macula	−0.09	0.747	0.26	0.316	0.04	0.891	0.32	0.230	−0.25	0.341	0.46	0.070
Temporal outer macula	−0.08	0.757	0.43	0.093	−0.27	0.308	0.37	0.163	−0.31	0.244	0.43	0.096

Abbreviations: ERG, electroretinogram; Rc, standard partial regression coefficient.