Fig. 2

Kaplan-Meier curves showing the associations with inflammatory arthritis development for the number of locations with subclinical inflammation (a), presence of MCP-extensor peritendinitis (b), and both variables combined (c). 0/Absent: 0 locations with subclinical inflammation; no MCP-extensor peritendinitis. 1–2/Absent: 1–2 locations with subclinical inflammation; no MCP-extensor peritendinitis. > 2/Absent: 3 or more locations with subclinical inflammation; no MCP-extensor peritendinitis. 1–2/Present: 1–2 locations with subclinical inflammation; MCP-extensor peritendinitis. > 2/ Present: 3 or more locations with subclinical inflammation; MCP-extensor peritendinitis