Table 2

Correlation of ESSPRI with clinical parameters in the whole cohort

ESSPRI versus clinical parameters	SjS (n=172)		Sicca (n=145)
ESSPRI versus clinical parameters	Β (95% CI)	P value	Β (95% CI)	P value
Age	0.01 (−0.02 to 0.4)	0.37	−0.01 (−0.04 to 0.03)	0.60
HADS A	0.15 (0.07 to 0.23)	<0.0001	0.1 (0.02 to 0.2)	0.02
HADS D	0.16 (0.07 to 0.26)	0.001	0.24 (0.14 to 0.34)	<0.0001
BMI	0.1 (0.005 to 0.15)	0.04	0.1 (0.06 to 0.18)	<0.0001
Schirmer’ s test	−0.03 (−0.07 to 0.13)	0.17	0.02 (−0.01 to 0.05)	0.24
Unstimulated salivary flow	−0.2 (-0.73 to 0.37)	0.51	−0.5 (-0.92 to 0.12)	0.01
C3	1.8 (0.22 to 3.6)	0.03	2.5 (0.89 to 4)	0.002
C4	0.6 (−0.16 to 0.24)	0.64	5.2 (0.72 to 9.78)	0.02
IgG	−0.01 (−0.06 to 0.04)	0.96	0.02 (-0.11 to 0.15)	0.79
K/L free light chain quotient	−0.2 (−0.62 to 0.20)	0.31	0.3 (−0.55 to 1.11)	0.51
CRP	0.01 (−0.11 to 0.13)	0.85	0.07 (−0.03 to 0.16)	0.17

Values shown are the linear regression unstandardised coefficients and 95% CIs.
P values <0.05 marked in bold.
BMI, body mass index; CRP, C reactive protein; ESSPRI, EULAR Sjögren’s Syndrome Patient-Reported Index; HADS, Hospital Anxiety and Depression Scale; SjS, Sjogren’s syndrome.