Progression Rate of Visual Function and Affecting Factors at Different Stages of Retinitis Pigmentosa

Table 2

Mean progression rate of MD, S4, and logMAR VA.

Outcome	Coefficient	95% CI	value
MD (dB)
Intercept	-11.89	-13.61, -10.18	<0.001
Time (years)	-0.37	-0.41, -0.33	<0.001
S4 (dB)
Intercept	29.82	28.60, 31.04	<0.001
Time (years)	-0.25	-0.31, -0.20	<0.001
logMAR VA
Intercept	0.113	0.051, 0.175	<0.001
Time (years)	0.018	0.015, 0.020	<0.001

CI: confidence interval; logMAR VA: logarithm of the minimum angle of resolution visual acuity; MD: mean deviation of the Humphrey central 10-2 program; S4: average sensitivity of central four points of the Humphrey central 10-2 program.