Table 2.

Demographic characteristics of patients with pathologic myopia versus severe pathologic myopia

Variable	Pathologic myopia (n = 543)	Severe pathologic myopia (n = 278)	P value
Female	71.6% (389/543)	73.7% (205/278)	p > 0.05 (Chi-square test)
Male	28.3% (154/543)	26.2% (73/278)	p > 0.05 (Chi-square test)
Age ± SD (years)	62.98 ± 13.24	66.32 ± 12.14	p < 0.05 (T Student test)
Axial length ± SD (mm)	29.82 ± 2.44	30.78 ± 2.44	p < 0.05 (T Student test)
BCVA ± SD (decimal/Snellen)	0.49 ± 0.35 20/40 ± 20/60	0.35 ± 0.34 20/60 ± 20/60	p < 0.05 (T Student test)
SE ± SD (diopters)	− 12.52 ± 5.69	− 15.42 ± 5.66	p < 0.05 (T Student test)

BCVA best-corrected visual acuity; SE spherical equivalent; SD standard deviation