Table 2.

Descriptive statistics of trigeminal event-related potentials.

Group		Age	Number	N1-latencies(ms)	N1-amplitude(uv)	P2-latencies(ms)	P2-amplitude(uv)
Healthy	Young	18–35	34	320±37	−6.82±3.47	476±64	9.36±4.12
	Middle age	36–50	33	343±64	−5.83±2.66	518±100	7.62±2.83
	Old-age	51–70	31	384±96	−5.35±4.45	574±93	6.46±3.79
	Total		98	348±73*	6.02±3.60	521±95*	7.85±3.78*
Hyposmia	Young	14–35	26	426±129	−5.56±7.70	552±117	11.80±7.68
	Middle age	36–50	36	406±129	−5.99±6.24	547±121	9.83±5.52
	Old-age	51–72	24	436±114	−6.01±5.49	597±109	9.45±5.37
	Total		86	421±125*	5.85±6.52	560±117	10.39±6.28*
Functional anosmia	Young	18–35	19	442±101	−6.58±7.75	586±107	10.96±6.20
	Middle age	36–50	42	431±107	−5.11±4.16	601±152	9.61±6.20
	Old-age	51–71	27	551±180	−3.88±2.35	680±175	7.70±5.05
	Total		88	464±135*	5.22±5.15	616±150*	9.50±6.05

Results are shown as mean ±SD.

^*P< 0.05.