. 2021 Feb 15;32(1):56–65. doi: 10.31138/mjr.32.1.56

Table 2.

Spearman’s rank correlation coefficients between calprotectin, US scores, and other variables.

	ESR	CRP	DAS28-ESR	DAS28-CRP	CDAI	SDAI	HAQ	Syn	Ten	PD syn	US7
Calprotectin	0.361^***	0.306^**	0.488^***	0.495^***	0.482^***	0.429^***	0.327^**	0.441^***	0.360^***	0.359^***	0.444^***
ESR		0.494^***	0.816^***	0.561^***	0.467^***	0.554^***	0.295^**	0.271^*	0.176	0.250^*	0.247^*
CRP			0.512^***	0.780^***	0.408^***	0.923^***	0.219	0.322^**	0.234^*	0.234^*	0.309^**
DAS28-ESR				0.828^***	0.846^***	0.695^***	0.445^***	0.431^***	0.394^***	0.400^***	0.441^***
DAS28-CRP					0.856^***	0.924^***	0.423^***	0.484^***	0.442^***	0.408^***	0.501^***
CDAI						0.670^***	0.507^***	0.462^***	0.500^***	0.425^***	0.509^***
SDAI							0.342^**	0.416^***	0.343^**	0.334^**	0.418^***
HAQ								0.351^***	0.415^***	0.257^*	0.403^***
Syn									0.671^***	0.889^***	0.964^***
Ten										0.639^***	0.832^***
PD syn											0.870^***

CDAI: clinical disease activity index; CRP: C-reactive protein; DAS28: disease activity score in 28 joints; ESR: erythrocyte sedimentation rate; HAQ: health assessment questionnaire; PD: power doppler; SDAI: simplified disease activity index; syn: ultrasound synovitis score; ten: ultrasound tenosynovitis score; US7: the 7-joint ultrasound score

^***

p < 0.001,

^**

p < 0.01,

p < 0.05