Determinants of Brachial-Ankle Pulse Wave Velocity in Chinese Patients with Rheumatoid Arthritis

Table 3

Demographic and clinical characteristics of RA patients and comparisons between subgroups.

Variables	Low baPWV group; (𝑛=76)	High baPWV group; (𝑛=62)	P
Age (years), mean ± SD	46.67±11.54	55.07±11.86	0.008
Female, n (%)	60 (78.95)	51 (82.26)	0.626
Weight (kg), mean ± SD	59.25±5.13	57.96±9.55	0.325
Height (cm), mean ± SD	162.95±6.26	160.69±5.20	0.033
BMI (kg/m^2), mean ± SD	22.78±2.96	22.27±3.91	0.389
SBP (mmHg), mean ± SD	115.00±13.74	117.04±22.56	0.084
DBP (mmHg), mean ± SD	74.91±9.55	76.07±14.68	0.215
Cholesterol (mmol/L), mean ± SD	4.63±0.79	5.13±0.99	0.035
Triglycerides (mmol/L), mean ± SD	1.79±0.75	2.28±0.68	0.004
HDL (mmol/L), mean ± SD	1.05±2.35	1.01±0.29	0.538
LDL (mmol/L), mean ± SD	2.56±0.65	3.09±0.77	0.006
Glucose (mmol/L), mean ± SD	5.51±0.56	5.34±0.69	0.434
Disease duration (months), mean (IQR)	24 (8, 66)	48 (12, 132)	0.169
RF-IgG positive, n (%)	46 (60.53)	34 (54.84)	0.501
RF-IgA positive, n (%)	37 (48.68)	28 (45.16)	0.100
RF-IgM positive, n (%)	56 (73.68)	52 (83.87)	0.149
Anti-CCP positive, n (%)	55 (72.37)	43 (69.35)	0.698
ESR (mm/h), mean ± SD	42.56±23.16	49.74±17.11	0.172
CRP (mg/dL), mean (IQR)	13.90 (5.34, 28.55)	18.15 (6.24, 68.05)	0.447
DAS28, mean ± SD	4.87±1.05	5.26±0.75	0.113
Currently using DMARDs, n (%)	5 (6.58)	4 (6.45)	0.976
Currently using NSAIDs, n (%)	38 (50.00)	36 (58.06)	0.345

Data are given as mean ± SD when normally distributed, as median (25–75%) when nonnormally distributed, or as number (and percentage). BMI: body mass index; SBP: systolic blood pressure; DBP: diastolic blood pressure; HDL: high-density lipoprotein; LDL: low-density lipoprotein; RF: rheumatoid factor; anti-CCP: anticyclic citrullinated peptide; ESR: erythrocyte sedimentation rate; CRP: C-reactive protein; DAS28: disease activity score for 28 joint indices; IQR: interquartile range; DMARDs: disease-modifying antirheumatic drugs; NSAIDs: nonsteroidal anti-inflammatory drugs.