Table 3.

Latency and amplitude of AEP components for different groups and sessions (chronic pain model).

	Latency (ms)			Amplitude (μV)
	N40	P60	N100	N40	P60	N100
NS group (n = 10)
Baseline	39.0 ± 0.3	59.8 ± 0.5	105.9 ± 3.0	−7.9 ± 0.6	13.6 ± 1.5	−26.7 ± 4.2
Day 1	39.2 ± 0.3	59.9 ± 0.5	100.6 ± 2.8	−7.8 ± 0.5	12.7 ± 1.0	−25.8 ± 3.7
Day 3	39.5 ± 0.5	60.4 ± 0.5	96.7 ± 1.5	−7.3 ± 0.7	14.7 ± 1.2	−24.3 ± 3.6
Day 7	39.0 ± 0.3	59.3 ± 0.4	95.1 ± 1.7	−7.6 ± 0.6	14.2 ± 1.5	−24.2 ± 3.0
Day 14	38.2 ± 0.5	59.5 ± 0.4	92.2 ± 1.1	−7.5 ± 0.6	14.3 ± 1.8	−27.5 ± 2.9
Day 28	38.8 ± 0.4	60.0 ± 0.3	93.9 ± 1.4	−7.8 ± 0.6	16.7 ± 1.9	−34.6 ± 4.6
CFA group (n = 11)
Baseline	39.0 ± 0.5	60.0 ± 0.6	109.7 ± 4.3	−7.8 ± 0.7	9.7 ± 1.6	−22.0 ± 2.5
Day 1	38.9 ± 0.4	59.7 ± 0.6	99.3 ± 2.4	−6.1 ± 0.9	11.1 ± 1.4	−16.0 ± 2.6
Day 3	39.1 ± 0.5	60.5 ± 0.6	94.5 ± 1.9	−6.0 ± 0.8	11.2 ± 1.4	−16.3 ± 2.7
Day 7	38.6 ± 0.4	60.7 ± 0.4	95.5 ± 1.8	−6.3 ± 0.9	12.7 ± 2.2	−16.6 ± 2.3
Day 14	38.4 ± 0.5	60.7 ± 0.6	94.4 ± 1.4	−6.1 ± 0.4	12.3 ± 1.6	−20.5 ± 2.7
Day 28	38.9 ± 0.5	60.4 ± 0.6	93.0 ± 1.6	−6.2 ± 0.7	12.2 ± 1.8	−25.4 ± 4.3

Data are expressed as mean ± SE. NS, normal saline; CFA, complete Freund’s adjuvant.