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Table 1 Baseline sociodemographic and clinical characteristics

From: Effects of omega-3 fatty acids on arterial stiffness in patients with hypertension: a randomized pilot study

   Placebo (N = 35)
N (%) or Mean (SD)
Omega-3 (N = 27)
N (%) or Mean (SD)
Overall (N = 62)
N (%) or Mean (SD)
Age (years)   60.2 (10.8) 62.3 (9.7) 61.1 (10.3)
Female Gender   22 (63 %) 18 (67 %) 40 (65 %)
Race/ethnicity Non-Latino White 7 (20 %) 11 (41 %) 18 (29 %)
  Latino 28 (80 %) 16 (59 %) 44 (71 %)
Educational Status Did Not Complete High School 18 (51 %) 10 (37 %) 28 (45 %)
  Completed High School 9 (26 %) 10 (37 %) 19 (31 %)
  Completed College 8 (23 %) 7 (26 %) 15 (24 %)
Unemployed   28 (80 %) 21 (81 %) 49 (80 %)
Body Mass Index (kg/m2)   31.5 (7.1) 33.9 (8.6) 32.6 (7.8)
Systolic Blood Pressure (mm Hg)a   137 (16) 128 (14) 133 (16)
Diastolic Blood Pressure (mm Hg)   82 (9) 78 (10) 81 (10)
Antihypertensive Medication   32 (91 %) 21 (78 %) 53 (85 %)
Statin therapy   17 (49 %) 11 (41 %) 28 (45 %)
Total cholesterol (mg/dL)   179 (43) 179 (38) 179 (40)
Triglycerides (mg/dL)   188 (103) 173 (65) 182 (89)
HDL-C (mg/dL)   48.4 (14.9) 44.9 (12.4) 46.9 (13.9)
LDL-C (mg/dL)   97 (38) 99 (29) 98 (34)
Diabetes diagnosis   19 (54 %) 12 (48 %) 31 (52 %)
Hemoglobin A1c (%)   6.7 (1.8) 6.3 (1.3) 6.6 (1.6)
Glucose (mg/dL)   127 (61) 111 (25) 120 (49)
Smoking status Current 12 (34 %) 6 (22 %) 18 (29 %)
  Former 23 (66 %) 21 (78 %) 44 (71 %)
hsCRP (mg/L)   3.42 (3.35) 5.63 (5.05) 4.38 (4.29)
Adiponectin (ug/mL)   10.6 (8.3) 12.2 (7.8) 11.4 (8.1)
LpPLA2 mass (ng/mL)   244 (46) 252 (62) 247 (53)
Mean PWV (cm/s)   1690 (335) 1602 (324) 1652 (330)
  1. PWV pulse wave velocity, CRP C-reactive protein, Lp-PLA2 lipoprotein-associated phospholipase A2
  2. aSystolic Blood Pressure difference between groups at p < 0.05 using Wilcoxon rank sum test
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