Insulin Resistance in Early Rheumatoid Arthritis Is Associated with Low Appendicular Lean Mass

Table 3

The effects of age group, gender, body composition indices, and having early RA on the Likelihood of IR.

	B	±SE	Sig.	exp(B)	95% CI for exp(B)
					Lower	Upper
Group	1.57	0.31	<0.001	4.80	2.61	8.82
Gender	2.04	0.54	<0.001	7.70	2.69	22.08
Age groups			NS
Age group < 29	0.53	0.44	NS	1.69	0.71	4.0
Age group 30–49	−0.22	0.31	NS	0.80	0.44	1.47
FMI	0.20	0.06	0.002	1.21	1.08	1.38
FFMI	0.07	0.08	NS	1.08	0.92	1.27
ALMI	−3.02	1.57	0.05	0.05	0.002	1.06

Note. Gender is for males compared to females, early RA group compared to control group, and age groups < 29 and 30–49 compared to >50. FMI: fat mass index (fat mass Kg/height m²); FFMI: fat-free mass index (fat-free mass/height m²); ALMI: appendicular lean mass index (appendicular lean mass Kg/BMI).