Figure 2From: Genetic contribution of catechol-O-methyltransferase variants in treatment outcome of low back pain: a prospective genetic association study Scatter plot diagram of 93 patients for post treatment VAS LBP change. Scattergram of 93 patients for post treatment VAS LBP change in three genotypes (A/A, A/G, G/G) of rs4680. The dashed line represents the mean value and continuous lines denote standard error of meanBack to article page