Table 2.

Relationship between Gal1 (ng/ml) serum levels and disease activity or disability.

	Disease activity
	β Coeff. (95 % CI)	p value
DAS28	0.51 (− 0.32 to 1.36)	0.231
Female gender	2.15 (− 1.5 to 5.8)	0.256
Age (years)
< 45	Reference	–
45–65	4.68 (1.40 to 7.95)	0.005
> 65	2.87 (− 0.64 to 6.39)	0.109
Time of frozen storage (months)	− 0.03 (− 0.06 to − 0.01)	0.002

	Disability
	β Coeff. (95 % CI)	p value
HAQ	1.26 (− 0.62 to 3.15)	0.189
Female gender	1.87 (− 1.93 to 5.67)	0.336
Age (years)
< 45	Reference	–
45–65	4.55 (1.29 to 7.81)	0.006
> 65	2.54 (− 1.06 to 6.14)	0.167
Time of frozen storage (months)	− 0.03 (− 0.06 to − 0.01)	0.005

DAS28, 28-Joint Disease Activity Score; HAQ, Health Assesment Questionnaire; Coeff. Coefficient.