Table 3 |
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|
Pearson correlation coefficients between factors in the rotated four-factor solution |
||||
|
IP/CMC factor |
MCP factor |
Knee factor |
Spine factor |
|
|
|
||||
|
IP/CMC factor* |
1.0 |
|||
|
MCP factor |
0.44 |
1.0 |
||
|
Knee factor |
0.30 |
0.36 |
1.0 |
|
|
Spine factor |
0.24 |
0.30 |
0.40 |
1.0 |
|
|
||||
|
*IP/CMC factor: Thumb IP, DIP 2-5, PIP 2-5, CMC1; MCP factor: MCP 2-5, Knee factor: TFJ and PFJ; Spine factor: Disc space narrowing and osteophytes L1/2 to L5/S1. IP, interphalangeal joint; MCP, metacarpophalangeal joint; PFJ, patellofemoral joint; PIP, proximal interphalangeal joint; TFJ, tibiofemoral joint. |
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|
Nelson et al. Arthritis Research & Therapy 2011 13:R176 doi:10.1186/ar3501 |
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