Association between ultrasound images and patient-reported outcomes in the treatment of rheumatoid arthritis: a retrospective study

Table 3 Multivariate logistic analysis of the HDA/MDA and LDA/REM groups

	Estimated value	Standard error	Chi-square	Confidence interval	P
Intercept	3.5585	0.5112	48.46	2.6319 to − 4.6485	< 0.0001
TJC	− 0.2616	0.0756	12.50	− 0.4286 to − 0.1337	0.0004
CRP	− 0.4987	0.2370	4.52	− 0.9701 to − 0.0598	0.0336
Pain VAS score	− 0.0645	0.0099	42.35	− 0.0854 to − 0.0463	< 0.0001
MTX, mg/w	0.1002	0.0472	4.51	0.0099–0.1963	0.0338
b(ts)DMARD: yes, 1; no, 0	− 0.2943	0.2284	1.66	− 0.7553 to 0.1466	0.1976
GS score ≥ 2: yes, 1; no, 0	0.5359	0.2284	5.45	0.0896–0.9970	0.0153

TJC, tender joint count; CRP, C-reactive protein; VAS, visual analog scale; MTX, methotrexate; b(ts)DMARD, biological (targeted synthetic) disease-modifying antirheumatic drug; GS, grayscale; LDA, low disease activity; HDA: high disease activity; MDA: moderate disease activity; REM: remission

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