Table 1

Results of the regression analysis

		BMO		Erosion		Sclerosis		Fat metaplasia
		B	P value	B	P value	B	P value	B	P value
Female	HLA-B27	0.240	0.130	0.079	0.676	0.012	0.942	−0.056	0.751
	BMI	0.456	0.006	0.073	0.700	0.515	0.003	−0.089	0.616
	Age	0.062	0.682	0.079	0.664	−0.075	0.635	−0.175	0.310
	CRP	0.335	0.031	0.241	0.191	−0.141	0.374	0.338	0.055
Male	HLA-B27	−0.643	0.007	0.242	0.158	0.472	0.064	0.066	0.587
	BMI	−0.439	0.055	0.168	0.331	0.300	0.237	0.051	0.685
	Age	0.269	0.205	−0.136	0.410	−0.233	0.336	−0.223	0.077
	CRP	−0.135	0.520	0.785	<0.001	-0.075	0.757	0.895	<0.001

B=standardised coefficient beta. p=significance level. Statistically significant results (p < 0.05) are marked in bold.
BMI, body mass index; BMO, bone marrow oedema; CRP, C reactive protein.