. Author manuscript; available in PMC: 2009 Sep 26.

Published in final edited form as: Toxicol Lett. 2008 Jul 23;181(2):118–125. doi: 10.1016/j.toxlet.2008.07.009

Table 2.

Comparison of hippocampal volumes by MRI between Pb-exposed and control workers

Group	n	Left Hippocampus (cm³) (95% CI)	Right Hippocampus (cm³) (95% CI)	Total Hippocampus (cm³) (95% CI)
Control	19	2.935±0.087 (2.89~2.98)	3.093±0.079 (3.06~3.13)	6.028±0.153 (5.96~6.10)
Pb-exposed	15	2.793±0.137 (2.72~2.87)^**	2.911±0.038 (2.83~2.99)^**	5.704±0.278 (5.55~5.86)^**

Data represent mean +/− SD.

^**

p<0.01 compared with the control group.