Table 4.

Rheumatoid arthritis patient correlations

		Pain Score	Early Morning Stiffness	Clinical Score	CRP	ESR	Glucosamine Scan Score	Bone Scan Score	MRI Score Pain Score
Pain Score	Correlation Coefficient	1.000	.380	.543**	.242	.056	.053	.229	.048
	Sig. (2-tailed)	.	.090	.007	.290	.830	.408	.586	.888
	N	23	21	23	21	17	23	8	11
Early Morning	Correlation Coefficient	.380	1.000	.400	.083	−.157	.381	.089	−.128
Stiffness	Sig. (2-tailed)	.090	.	.058	.721	.533	.073	.834	.725
	N	21	23	23	21	18	23	8	10
Clinical	Correlation Coefficient	.543**	.400	.400	.444*	.108	.565**	.489	.337
Score	Sig. (2-tailed)	.007	.058	.058	.034	.659	.003	.219	.284
	N	23	23	23	23	19	25	8	12
CRP (mg/L)	Correlation Coefficient	.242	.083	.444*	1.000	.427	.416*	−.162	.127
	Sig. (2-tailed)	.290	.721	.034	.	.068	.048	.728	.710
	N	21	21	23	23	19	23	7	11
ESR (mm/hr)	Correlation Coefficient	.056	−.157	.108	.427	1.000	.175	−.600	−.305
	Sig. (2-tailed)	.830	.533	.659	.068	.	.475	.208	.425
	N	17	18	19	19	19	19	6	9
Glucosamine	Correlation Coefficient	.408	.381	.565**	.416*	.175	1.000	.524	.257
Scan Score	Sig. (2-tailed)	.053	.073	.003	.048	.475	.	.183	.420
	N	23	23	25	23	19	25	8	12
Bone	Correlation Coefficient	.229	.089	.489	−.162	−.600	.524	1.000	−.632
Scan Score	Sig. (2-tailed)	.586	.834	.219	.728	.208	.183	.	.368
	N	8	8	8	7	6	8	8	4
MRI Score	Correlation Coefficient	.048	−.128	.337	.127	−.305	.257	−.632	1.000
	Sig. (2-tailed)	.888	.725	.284	.710	.425	.420	.368	.
	N	11	10	12	11	9	12	4	12

^*Correlation is significant at the 0.05 level (2-tailed).

^**Correlation is significant at the 0.01 level (2-tailed).

CRP: C-reactive protein; ESR: erythrocyte sedimentation rate; MRI: magnetic resonance imaging