Clinical Study

Long-Term Effects of Nilvadipine against Progression of the Central Visual Field Defect in Retinitis Pigmentosa: An Extended Study

Table 2

Results of nilvadipine treatment on MD slope (Analysis 1).

Treated groupControl groupStatistical significance
( )( )P value

Averaged MD slope, R, dB 0.016*
Median (range), dB−0.42 (−2.19~+0.06)−0.81 (−5.94~−0.1)0.016*
Averaged MD slope, L, dB 0.050*
Median (range), dB−0.45 (−2.46~+0.60)−0.76 (−5.82~+0.13)0.168
Correlation between R and L0.720.840.001 (T)**   
<0.001 (C)**

Data are expressed as means ± SEM.
R: right eye; L: left eye; T: treated group; C: control group.
Significance: ; .