Table 2.

Ganglion cell-inner plexform layer thickness and macular microvasculature parameters in each group.

	Control group	HTN group	HTNR group	P value
GC-IPL
Average	83.5 ± 5.7	82.1 ± 6.2	75.9 ± 10.7	< 0.001
Superior	84.5 ± 6.6	82.8 ± 6.6	78.1 ± 12.4	0.005
Superotemporal	82.2 ± 6.0	81.7 ± 6.3	74.7 ± 10.5	< 0.001
Inferotemporal	83.6 ± 5.9	82.6 ± 6.5	73.6 ± 11.2	< 0.001
Inferior	81.1 ± 6.7	79.9 ± 6.5	73.6 ± 12.9	< 0.001
Inferonasal	83.6 ± 6.7	81.5 ± 7.3	76.1 ± 11.6	< 0.001
Superonasal	85.6 ± 6.6	84.1 ± 7.2	79.4 ± 13.8	0.021
Microvasculature
Central VD	10.0 ± 2.6	8.7 ± 2.7	10.0 ± 2.7	0.001
Inner VD	21.8 ± 1.3	20.9 ± 1.3	20.7 ± 1.6	< 0.001
Full VD	20.5 ± 1.3	19.6 ± 1.4	19.5 ± 1.6	0.001
Central PD	17.6 ± 5.1	15.1 ± 4.9	17.6 ± 4.7	0.001
Inner PD	39.0 ± 2.2	37.8 ± 2.3	37.7 ± 2.7	0.010
Full PD	36.3 ± 3.0	35.3 ± 2.4	35.5 ± 2.7	0.078
GC-IPL/VD ratio	4.10 ± 0.33	4.20 ± 0.40	3.88 ± 0.56	< 0.001

GC-IPL ganglion cell-inner plexiform layer, VD vessel density, PD perfusion density.

P value after adjustment for covariants.

All values are expressed as the mean ± standard deviation (μm).

Values in boldface (P < 0.050) are statistically significant.