Figure 5From: Spinal cord stimulation in the treatment of refractory angina: systematic review and meta-analysis of randomised controlled trials Health related quality of life – between-group difference. Based on NHP part 1 score for ESBY 1993; SF-36 physical health scale at 2-years for SPiRiT, 2006; ADL score for DeJongste 1994, EQ-5D VAS score for Eddicks 2008; LASA score for Hauvast 1998.Back to article page