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. 2017 Jun 9;76(7):1199–1206. doi: 10.1136/annrheumdis-2016-210373

Figure 1.

Figure 1

Genome-wide association study design, showing primary and secondary analyses. svns, superior joint space narrowing versus non-superior; amvnam, axial/medial joint space narrowing versus non-axial/medial; hvnh, hypertrophic bone response versus non-hypertrophic; avna, atrophic bone response versus non-atrophic; svcon, superior joint space narrowing versus population-based controls; amvcon, axial/medial joint space narrowing versus population-based controls; hvcon, hypertrophic bone response versus population-based controls; avcon, atrophic bone response versus population-based controls; hipvcon, hip osteoarthritis (OA) versus population-based controls.