Table 2: The Quantitative Characteristics of Full-Field ERG Parameters in Subjects with Normal Ophthalmological Findings, and in the IRD Study Population

Type of Wave Median Min. 5th Quantile 25th Quantile 75th Quantile 95th Quantile Max.
Reference Group
rod b-wave amp, µV 292.9 157.9 163.7 236.3 374.8 435.6 437.7
rod b-wave imp.time, ms 84 53 58.1 77.5 89 97.1 98
max ERG a-wave amp., µV 227.1 99.6 106.7 184.2 275.9 322.2 326.3
max ERG a-wave imp.time, ms 15.5 14 14.3 15 16.8 25.5 26
max ERG b-wave amp., µV 415.2 275.6 277.2 330.5 490.9 640.1 663.2
max ERG b-wave imp.time, ms 46 42 42.3 45 51.5 55.8 56
OP amp, µV 78.8 63.1 65.6 76.3 80.8 95.1 95.5
OP imp. time, ms 21.6 21 21 21.4 22.1 22.6 22.6
photopic a-wave amp., µV 39.2 15.8 18.3 33.3 45.2 61.5 61.7
photopic a-wave imp.time, ms 14 12 12.3 14 15 16 16
photopic b-wave amp., µV 171.1 76.3 79.4 121.8 205.6 271.4 283.9
photopic b-wave imp.time, ms 30 28 28 29 31 32.7 33
30 HZ amp., µV 101.4 57.9 59.7 78.8 117.2 136.9 138.1
30 Hz imp. Time, ms 59 45 48.3 57.5 60.3 61.9 62
Random Selection of IRD Patients
rod b- wave amplitude, µV 79.1 60.3 60.3 72.8 111.5 192.7 192.7
rod b-wave imp.time, ms 100.5 66.5 66.5 90 120.5 131.5 131.5
max ERG a-wave amp., µV 138.7 21.1 22.4 67.1 195.1 261.2 262.5
max ERG a-wave imp.time, ms 18.3 16 16 16.5 22.5 24 24
max ERG b-wave amp., µV 273.6 15.4 17.6 149.2 389.5 535.2 535.9
max ERG b-wave imp.time, ms 52 38.4 38.5 44.9 59 81.05 82
OP amp, µV 27.6 10.9 10.9 19.9 43.8 59.7 59.7
OP imp. Time. ms 24.8 10.8 10.8 23.5 25.4 33 33
photopic a-wave amp., µV 21.9 6.8 6.8 11.96 28.1 49.1 49.1
photopic a-wave imp.time, ms 16.5 15 15 15.1 17.8 21.5 21.5
photopic b-wave amp., µV 77.5 8.8 9.2 45.2 151.5 183.1 183.2
photopic b-wave imp.time, ms 32 29 29 30.2 35.1 40.5 40.5
30 HZ amp., µV 44.8 19.7 19.8 31.6 96.1 138.9 140.04
30 Hz imp. Time, ms 62.4 58.8 58.8 60.3 69 73.9 74

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