. 2022 Jul 6;8(2):e002270. doi: 10.1136/rmdopen-2022-002270

Table 5.

Correlations between ultrasound measurements, patient-related parameters and disease characteristics

	IMT (mm)			ABI			FMD (%)
	P value	r	R²	P value	r	R²	P value	r	R²
Age (years)	<0.0001	0.578	0.334	0.911	0.017	NS	0.017	−0.347	0.120
BMI	0.310	0.151	NS	0.630	−0.072	NS	0.437	−0.116	NS
Age at onset of SpA	0.002	0.440	0.194	0.832	−0.032	NS	0.083	−0.258	NS
Disease duration	0.05	0.287	0.082	0.618	0.075	NS	0.172	−0.203	NS
SBP (mm Hg)	<0.0001	0.513	0.263	0.413	0.124	NS	0.045	−0.297	0.088
DBP (mm Hg)	0.055	0.285	NS	0.019	0.345	0.119	0.138	−0,222	NS
NSJ	0.925	0.014	NS	0.099	0.243	NS	0.445	−0.114	NS
NTJ	0.426	0.119	NS	0.803	0.037	NS	0.173	0.202	NS
BAS-G	0.741	−0.050	NS	0.972	−0.005	NS	0.463	0.110	NS
MASES	0.232	−0.178	NS	0.136	0.221	NS	0.855	−0.027	NS
BASDAI	0.971	0.005	NS	0.715	0.055	NS	0.097	0.245	NS
ASDAS-CRP	0.600	−0.079	NS	0.982	−0.003	NS	0.199	0.193	NS
BASMI	0.552	0.09	NS	0.256	−0.171	NS	0.401	0.127	NS
BASFI	0.292	0.157	NS	0.342	−0.146	NS	0.573	−0.084	NS
AFI right Lequesne	0.136	−0.337	NS	0.852	−0.043	NS	0.391	−0.198	NS
AFI left Lequesne	0.528	−0.159	NS	0.148	−0,356	NS	<0.0001	−0.846	0.716
Hgb	0.908	0.017	NS	0.752	0.047	NS	0.086	−0.253	NS
WBC	0.617	0.075	NS	0.405	−0.124	NS	0.416	0.122	NS
PLT	0.183	−0.198	NS	0.136	−0.221	NS	0.027	0.322	0.104
CRP	0.569	−0.086	NS	0.136	−0.223	NS	0.374	0.134	NS
Creatinine	0.002	0.445	0.198	0.077	0.266	NS	0.001	−0.490	0.240
Blood glucose	0.009	0.387	0.150	0.406	0.128	NS	0.012	−0.375	0.140
CT	0.007	0.404	0.163	0.232	−0.186	NS	0.457	−0.116	NS
TG	0.093	0.259	NS	0.822	−0.035	NS	0.374	−0.139	NS
LDL-C	0.073	0.276	NS	0.147	−0.225	NS	0.239	−0.184	NS
HDL-C	0.875	−0.025	NS	0.622	0.077	NS	0.343	−0.148	NS
CT/HDL-C	0.028	0.340	0.116	0.275	−0.173	NS	0.767	−0.047	NS
LDL-C/HDL-C	0.121	0.240	NS	0.151	−0.223	NS	0.663	−0.068	NS

ABI, Ankle Brachial Index; AFI, Algo Functional Index; ASDAS, Ankylosing Spondylitis Disease Activity Score; BASDAI, Bath Ankylosing Spondylitis Disease Activity Index; BASFI, Bath Ankylosing Spondylitis Functionnal Index; BAS-G, Bath Ankylosing Spondylitis Global Score; BASMI, Bath Ankylosing Spondylitis Metrology Index; BMI, body mass index; CRP, C reactive protein; CT, total cholesterol; DBP, diastolic blood pressure; FMD, flow-mediated dilation; HDL-C, high density lipoprotein cholesterol; Hgb, haemoglobin; IMT, intima media thickness; LDL-C, low density lipoprotein cholesterol; MASES, Maastricht Ankylosing Spondylitis Enthesitis Score; NS, not significant; NSJ, number of swollen joints; NTJ, number of tender joints; p, significance coefficient; PLT, platelets; R², linearity; r, association; SBP, systolic blood pressure; SpA, spondyloarthritis; TG, triglycerides; WBC, white blood cells.