Discordance between patient and physician assessments of global disease activity in rheumatoid arthritis and association with work productivity

Table 3 Correlation between week-36 discordance and measurements of disease at baseline and week 36, and change from baseline to week 36

	Baseline		Week 36		Change baseline to week 36
	Number	Pearson’s r	Number	Pearson’s r	Number	Pearson’s r
DAS28	760	−0.0225	762	0.1832***	760	0.1942***
CRP	754	−0.0561	756	−0.0097	754	0.0523
ESR	763	−0.0630	763	0.0287	763	0.0924*
TJC	760	0.0058	762	0.0449	760	0.0269
SJC	760	−0.1197**	762	−0.0662	760	0.0678
Duration of morning joint stiffness	745	0.0813*	747	0.1456***	745	−0.0094
BPI	753	0.2268***	761	0.4784***	753	0.1854***
HAQ-DI	757	0.0648	762	0.3174***	757	0.2404***
FACIT-fatigue	753	−0.1437***	761	−0.3645***	753	−0.2054***
CDAI	760	0.0116	762	0.1986***	760	0.1602***
SDAI	751	−0.0068	755	0.1912***	751	0.1698***
Patient general health VAS	762	0.1826***	763	0.5784***	762	0.3542***
Duration of disease	761	−0.0402	na	na	na	na

Discordance is defined as patient global assessment – physician global assessment. BPI brief pain inventory, CDAI clinical disease activity index, CRP C-reactive protein, DAS28 disease activity score based on 28 joint count, ESR erythrocyte sedimentation rate, FACIT-fatigue functional assessment of chronic illness therapy-fatigue, HAQ-DI health assessment questionnaire disability index, na not available, SDAI simplified disease activity index, SJC swollen joint count, TJC tender joint count, VAS visual analog scale. *p < 0.05, **p < 0.001, ***p < 0.0001

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