Table 2.

A multiple linear regression model to assess the association between adalimumab trough value and associated potential factors

	Model 1a				Model 2c
Parametera	P value	Difference for ADA through (beta)	95%CI		P value	Difference for ADA through (beta)	95%CI
			Lower	Upper			Lower	Upper
Constant	<.001	14.18	9.12	19.23	<.001	13.08	8.56	17.60
Female (vs Male)	.015	−1.84	−3.32	−0.36	.159	−0.96	−2.30	0.38
Body weightb	.001	−0.11	−0.17	−0.05	.003	−0.09	−0.15	−0.03
Combination (vs monotherapy)	.085	1.09	−2.32	0.15	.286	−.58	−0.49	1.65
Elemental diet ( ≥600)	.077	−1.11	−0.12	2.26	.045	−1.12	−2.22	−0.03
AAA detection					<.001	−5.61	−7.55	−3.67

^aBackward elimination method was applied for model 1 after including factors listed in material and methods.

^bPer 1 kg increase CI, Confidential interval

^cAAA detection was added to the model 1.