Patient No. latency (ms) (R/L) amplitude (μv) (R/L)
  before IVIg after IVIg before IVIg after IVIg
1 98.7/101.4 86.4/90.5 1.9/2.5 2.8/2.9
2 121.2*/117.3 111.0/112.8 3.9/4.5 4.5/3.5
3 94.8/98.2 98.7/95.2 6.6/9.5 4.1/8.2
4 147.9*/146.7* 127.8*/125.7* 4.1/4.8 10.3/10.2
5 97.5/101.7 98.0/99.2 3.4/2.6 5.6/2.5
6 94.2/98.1 94.8/99.3 8.0/10.9 10.4/11.0
7 106.5/103.8 103.5/98.7 5.2/2.3 5.1/4.5
8 95.4/95.1 91.8/93.0 8.3/11.6 11.8/9.8
9 96.0/95.7 98.1/99.0 4.5/7.3 10.3/8.9
10 126.9*/138.6* 115.2/120.0 7.6/6.5 6.5/6.3
R: right eye stimulation, L: left eye stimulation
*abnormal value
Table 2: P100 latency and amplitude in patients with CIDP and normal controls.