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. Author manuscript; available in PMC: 2011 Jul 28.
Published in final edited form as: Clin Neurophysiol. 2007 Nov 26;119(1):144–150. doi: 10.1016/j.clinph.2007.09.134

Table 4.

Comparison of initial and follow-up P300 data of the patients with OP poisoning.

1st
assessment
(n=21)		 Follow-up
(n=21)		 Significance
(p value)		 Mean difference
(95% CI)
N100 latency, mean
(SD), (ms) 		108.6 (12.2) 106.2 (13.3) 0.29 2.4 (−2.2 – 7.0)
P200 latency, mean
(SD), (ms) 		176.2 (27.5) 174.3 (21.6) 0.70 1.9 (−8.5 – 12.2)
N200 latency, mean
(SD), (ms) 		230.0 (36.3) 225.5 (28.6) 0.60 4.5 (−13.4 – 22.3)
P300 latency, mean
(SD), (ms) 		366.1 (37.1) 364.0 (34.9) 0.79 2.2 (−15.1 – 19.4)
P300 amplitude, mean
(SD), (μV) 		12.60 (7.48) 13.23 (7.47) 0.73 −0.62 (−4.32 – 3.07)