Comparison of topiramate and placebo across study periods in the full sample (n=138). Values are means (SEM).
A: Mean percent heavy drinking days (PHDD). There was a significant interaction of medication group by study period (p=0.03) on PHDD.
B: Mean natural log γ-glutamyltranspeptidase (GGTP) concentration. The interaction of medication group by study period was not significant for GGTP (p=0.18).
C: Mean Short Index of Problems (SIP) score. There was significant main effect of medication group (p=0.001) on SIP score, but no interaction of medication group by study period.