Figure 2From: Safety and efficacy of duloxetine treatment in older and younger patients with osteoarthritis knee pain: a post hoc, subgroup analysis of two randomized, placebo-controlled trials Mean change from baseline in weekly average daily pain diary scores in patients in Study II, who responded to treatment with duloxetine 60 mg/day and remained on that dose; those who were not responding and had their dose increased to 120 mg; and those who received placebo. Back to article page