Table 3.

Asymmetry of OMAG parameters and structural thickness parameters in glaucoma and control groups.

	Median (25% quartile, 75% quartile)			Pairwise comparison
	Control (n = 39)	PPG (n = 27)	PG (n = 50)	Control vs PPG	PPG vs PG	Control vs PG
Macular outer vessel length density asymmetry (/mm)	0.7 (0.2–1.4)	1.0 (0.5–1.7)	2.7 (1.7–4.6)	0.580	0.051	< 0.001
Macular inner vessel length density asymmetry (/mm)	0.7 (0.2–1.5)	0.6 (0.4–2.0)	1.5 (0.5–2.5)	0.743	0.528	0.199
Macular outer perfusion density asymmetry	0.02 (0.01–0.03)	0.02 (0.01–0.04)	0.08 (0.05–0.11)	0.582	0.009	< 0.001
Macular inner perfusion density asymmetry	0.02 (0.01–0.04)	0.02 (0.01–0.06)	0.03 (0.01–0.06)	0.865	0.355	0.235
mGCIPL thickness asymmetry (μm)	5.0 (3.0–6.0)	5.0 (3.0–9.0)	8.5 (2.0–14.0)	0.814	0.054	0.004
Average mGCIPL thickness asymmetry (μm)	2.7 (1.7–3.7)	4.0 (1.0–6.0)	7.5 (2.5–11.0)	0.959	0.018	0.001
cpRNFL thickness asymmetry (μm)	7.0(4.0–11.8)	19.0(7.0–33.0)	20.5(11.0–33.3)	0.007	0.366	0.002

All values represent median with interquartile range in parentheses.

Age, gender, and spherical equivalence were adjusted in pairwise comparisons.

PPG preperimetric glaucoma; PG perimetric glaucoma; mGCIPL macular ganglion cell-inner plexiform layer; cpRNFL circumpapillary retinal nerve fibre layer asymmetry.