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. Author manuscript; available in PMC: 2010 Oct 7.
Published in final edited form as: Dev Neurosci. 2006 Oct 17;29(3):241–250. doi: 10.1159/000096414

Table 2.

Methamphetamine model

Treatment group SB SIB Mortality
Experiment 1
 Methamphetamine alone 10/12 2/12 1/12
 Methamphetamine + 5 mg/kg nifedipine 5/12 0/12 0/12
Experiment 2
 Methamphetamine alone 11/12 4/12 1/12
 Methamphetamine + 10 mg/kg nifedipine 1/12 0/12 0/12
Experiment 3
 Methamphetamine alone 8/12 4/12 0/12
 Methamphetamine + 20 mg/kg nifedipine 0/12 0/12 0/12

A χ2 analysis comparing animals treated with or without nifedipine revealed significant effects on both SB (χ2 = 29.4, p < 0.001) and SIB (χ2 = 11.6, p < 0.001).