Value of optical coherence tomography measurement of macular thickness and optic disc parameters for glaucoma screening in patients with high myopia

Table 3 Comparison of weekly parameters in the three groups (mean ± SD, n)

Group	Optic cup area (mm)	Optic disc area (mm)	Cup/disc area ratio	Cup/disc diameter ratio
Group A (n = 60)	1.02 ± 0.81	2.82 ± 0.88	0.34 ± 0.21	0.56 ± 0.05
Group B (n = 66)	1.31 ± 0.75a	3.87 ± 0.87a	0.37 ± 0.22	0.61 ± 0.06a
Group C (n = 70)	1.42 ± 0.65a	3.45 ± 0.75a,b	0.35 ± 0.18	0.59 ± 0.04a,b
F value	4.890	25.691	0.369	15.672
P value	0.009	0.000	0.692	0.000

^aP < 0.05 vs group A.

^bP < 0.05 vs group B.