Figure 1. HEDIS 1998 Lipid Measurement for KP Regions. Lipid measurement was a HEDIS measure in 1998. This figure illustrates the percent of commercial members with coronary or peripheral disease who had LDL level measured within the last two years. KPNW 1998 target was 70%. KPNW ended 1998 with 77.0% measured which placed KPNW third highest for KP Regions.