Different Levels in Orexin Concentrations and Risk Factors Associated with Higher Orexin Levels: Comparison between Detoxified Opiate and Methamphetamine Addicts in 5 Chinese Cities
Figure 1
Quartiles of orexin median concentrations (pg/mL) in opiate group, MA group, and healthy group. Notes. Statistical significance between groups was set at 0.0167 in order for type I error levels to be guaranteed. Significant differences of orexin concentrations for opiates, methamphetamine (MA), and healthy groups were found by Kruskal-Wallis test (, ). # in comparison with the median of healthy group (Mann-Whitney , ). † in comparison with the median of MA group (Mann-Whitney , ). ‡ in comparison with the median of healthy group (Mann-Whitney , ).