. 2005 Mar 15;6:16. doi: 10.1186/1471-2474-6-16

Table 2.

Squared multiple correlations of impairments and functional limitations

VARIABLE	R²
Joint Deformity‡	0.000
Joint Inflammation‡	0.000
Functional Limitation‡	0.650
Upper limb joint deformities	0.617
Lower Limb Joint Deformities	0.722
Other joint Deformities	0.095
Shirt-button time	0.574
Walking velocity	0.547
Grip strength^1/2	0.598
Tender joint count^1/2	0.761
Swollen Joint Count^1/2	0.263
Painful Joint Count^1/2	0.574

Posited relationships between variables are shown graphically in Figure 1.

‡ Identifies latent variables