Table 1.

comparison of double contour prevalence between the dorsal and palmar surfaces of wrist, MCP, PIP and DIP joints in the studied population

Joints (N=540)Dorsal surface (%)Palmar surface (%)P
Wrist joints (N=120) 12,67,3 <0.001
Radiocarpal (N=30)206,70,6
Ulnocarpal (N=30)13,36,7 0,01
Scaphotrapezial (N=30)3,313,30,8
Trapeziometacarpal (N=30)13,33,30,1
MCP (N=150) 86,6 <0.001
MCP 1 (N=30)3,3100,1
MCP 2 (N=30)13,36,7 0,014
MCP 3 (N=30)6,76,7 0,002
MCP 4 (N=30)6,70 <0.001
MCP 5 (N=30)1010 <0.001
PIP (N=150) 47,3 <0.001
IP (N=30)3,3100,1
PIP 2 (N=30)6,73,30,9
PIP 3 (N=30)6,713,3 0,01
PIP 4 (N=30)3,3100,1
PIP 5 (N=30)00 <0.001
DIP (N=120) 0,83,3 0,033
DIP 2 (N=30)00 <0.001
DIP 3 (N=30)3,33,3 0,002
DIP 4 (N=30)03,3 <0.001
DIP 5 (N=30)06,7 <0.001