Table 1.

Clinical and optical coherence tomography angiography characteristics

	Healthy eyes (n = 39)	PACG eyes (n = 39)	P*
Age (years)	57.13 ± 4.97	58.63 ± 7.15	0.095
Sex (male:female)	18:21	16:23	0.209
BCVA	0.95 ± 0.09	0.6 ± 0.28	<0.001
IOP (mmHg)	14.01 ± 2.79	20.45 ± 14.79	<0.001
AL (mm)	23.46 ± 0.62	22.22 ± 0.99	<0.001
SBP (mmHg)	119.95 ± 17.72	124.71 ± 13.6	0.224
DBP (mmHg)	76.7 ± 9.65	73.54 ± 8.10	0.232
MAP (mmHg)	90.85 ± 10.21	90.60 ± 8.72	0.900
OPP (mmHg)	39.87 ± 7.06	40.48 ± 5.52	0.536
Structural variables
RNFL thickness (µm)	106.38 ± 9.58	91.41 ± 26.16	<0.001
GCC thickness (µm)	100.67 ± 8.11	89.13 ± 15.49	<0.001
Vessel density
Peripapillary area	63.62 ± 3.40	56.15 ± 7.67	<0.001
Nasal	61.39 ± 3.94	54.61 ± 7.23	<0.001
Inferior Nasal	64.40 ± 4.31	55.85 ± 10.87	<0.001
Inferior Temporal	66.95 ± 5.30	60.11 ± 9.58	<0.001
Superior Temporal	66.25 ± 5.23	58.36 ± 10.09	<0.001
Superior Nasal	63.62 ± 5.44	55.64 ± 8.48	<0.001
Temporal	63.26 ± 4.08	59.72 ± 7.10	<0.001
Parafoveal area	50.83 ± 3.35	46.99 ± 4.42	<0.001
Temporal	51.95 ± 4.04	48.18 ± 4.57	<0.001
Superior	51.60 ± 4.23	47.62 ± 5.17	<0.001
Nasal	50.57 ± 4.02	45.99 ± 6.08	<0.001
Inferior	49.06 ± 4.37	46.44 ± 5.42	0.003
Reduction rate
Peripapillary area	/	11.7%	/
Parafoveal area	/	7.55%	/

Values shown are means ± standard deviations or numbers of subjects.

PACG, primary angle closure glaucoma; BCVA, best corrected visual acuity; IOP, intra-ocular pressure; AL, axial length; SBP, systolic blood pressure; DBP, diastolic blood pressure; MAP, mean arterial pressure; OPP, ocular perfusion pressure; RNFL, retinal nerve fiber layer; GCC: ganglion cell complex.

^*P values in bold are statistically significant at P < 0.05.