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Figure 1 | Arthritis Research & Therapy

Figure 1

From: Associations of educational attainment, occupation and community poverty with knee osteoarthritis in the Johnston County (North Carolina) osteoarthritis project

Figure 1

Participant flow chart. 1Sample excludes those without radiographic data for at least one knee (as used in Table 1 and modeling); 2sample excludes those without radiographic data for both knees (as used in Table 1); 3sample excludes those without radiographic and pain data for at least one knee (as used in Table 1 and modeling); 4sample excludes those without radiographic and pain data for both knees (as used in Table 1); 5sample excludes those with unilateral knee OA (as used in modeling); 6sample excludes those with unilateral symptomatic knee OA (as used in modeling)

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