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. Author manuscript; available in PMC: 2011 Aug 1.
Published in final edited form as: Pharmacol Biochem Behav. 2010 May 8;96(2):181–186. doi: 10.1016/j.pbb.2010.05.003

Table 1.

RAM Performance

Total arm entries Mean 95% CI Arm entries without error Mean 95% CI
C57Bl/6J – Normal 9.9 (9.3–10.4) 6.7 (6.5–6.9)
C57Bl/6J – HC 9.4 (8.7–10.0) 6.6 (6.3–6.8)
apoE −/− Normal 11.9 (11.3–12.6) 5.5 (5.2–5.7)
apoE −/− HC 14.3 (13.6–14.9) 4.5 (4.3–4.8)

Differences in RAM performance as measured by the mean asymptote and 95% confidence limits for total number of arm entries (p<0.001) and arm entries without error (p<0.001). Lack of overlap of confidence limits reveals that RAM performance is impaired in apoE−/− mice compared to C57Bl/6J mice and HC diet exacerbates impairment only in apoE−/− mice.