Table 3A.

Multiple linear regression analysis of SDAI, DAS28-CRP, and HAQ score at W54.

Factors	B	95% CI	β	p
SDAI at W54, R² = 0.3365
Constant	5.813	2.502–9.124	0	0.0006
IFX dosage, mg/kg	−0.562	−0.983 – −0.142	−0.123	0.0089
SDAI at W14	0.606	0.508–0.704	0.569	< 0.0001
DAS28-CRP at W54, R² = 0.4114
Constant	1.047	0.578–1.517	0	< 0.0001
IFX dosage, mg/kg	−0.081	−0.128 – −0.034	−0.150	0.0007
DAS28-CRP at W14	0.697	0.601–0.793	0.628	< 0.0001
HAQ at W54, R² = 0.3683
Constant	−0.091	−0.281–0.099	0	0.3483
IFX dosage, mg/kg	−0.015	−0.035–0.006	−0.063	0.1671
HAQ at W0	0.353	0.253–0.452	0.351	< 0.0001
Disease duration, yrs	0.014	0.006–0.022	0.160	0.0008
SDAI at W14	0.019	0.013–0.024	0.345	< 0.0001
HAQ at W54, R² = 0.3811
Constant	−0.401	−0.623 – −0.180	0	0.0004
IFX dosage, mg/kg	−0.015	−0.036–0.005	−0.067	0.1403
HAQ at W0	0.337	0.238–0.437	0.335	< 0.0001
Disease duration, yrs	0.014	0.006–0.022	0.161	0.0006
DAS28-CRP at W14	0.175	0.129–0.221	0.369	< 0.0001