Table 3. The baseline characteristics of the retinitis pigmentosa patients and controls in the ELISA.

	Patients with idiopathic ERM ( n =10)	Patients with ERM secondary to RP ( n =10)	P- value
Age	70.1±5.8 (60–81)	58.9±14.3 (31–73)	0.049
Gender (males : females)	4:6	3:7	0.640
VA (logMAR)	0.21±0.28	0.82±0.53	0.006
MD value (dB)	−1.3±2.8	−18.6±10.5	0.001
Foveal sensitivity (dB)	31.8±3.4	17.3±11.0	0.003

Abbreviations: dB, decibel; ERM, epiretinal membrane; LogMAR, logarithm of the minimum angle of resolution; MD, mean deviation; RP, retinitis pigmentosa; VA, visual acuity.

Data are expressed as mean±S.D.