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Table 2.

Correlations between increases in 25(OH)D levels and biomarkers among TG responders and TG nonresponders: mean ± s.d.for normally distributed variables or median (interquartile range) for non-normally distributed variables.

Serum TG response to 25(OH)D TG responders (n = 55) TG nonresponders (n = 63) P-value
Age (years) 54.4 ± 10.0 54.3 ± 11.2 0.97
Female, n (%) 32 (58) 33 (52) 0.52
BMI (kg/m2) 24.8 (21.7–28.4) 23.7 (21.2–27.2) 0.22
Use of lipid-lowering medication, n (%) 16 (29) 20 (31) 0.75
History of DM, n (%) 6 (10) 10 (15) 0.43
History of hypertension, n (%) 14 (25) 11 (17) 0.28
History of cancer, n (%) 4 (7) 2 (3) 0.55
Baseline 25(OH)D (ng/mL) 20.6 (15.4–27.3) 26 (20.6–31.2) <0.01
Baseline TGs (mg/dL) 141 (90–210) 98 (74–133) <0.01
Baseline TC (mg/dL) 192.4 ± 36.0 184.2 ± 40.6 0.25
Baseline LDL-C (mg/dL) 118.1 ± 29.9 112.8 ± 29.3 0.37
Baseline HDL-C (mg/dL) 47 (42–60) 52 (43–60) 0.30
Baseline HbA1c (%) 5.7 (5.5–6.1) 5.6 (5.4–6.2) 0.93
Baseline BUN (mg/dL) 11 (9.5–14) 11 (8.8–14) 0.62
Baseline creatinine (mg/dL) 0.8 (0.6–0.9) 0.7 (0.6–0.9) 0.78
Baseline albumin (g/dL) 4.4 ± 0.2 4.4 ± 0.2 0.84
Baseline AST (U/L) 19 (17–21) 19 (18–23) 0.88
Baseline ALT (U/L) 20 (13–33) 18 (14–25) 0.48
Baseline total bilirubin (mg/dL) 0.8 (0.5–0.9) 0.9 (0.6–1.4) 0.06
Baseline Alk-p (U/L) 60 (46–64) 58 (46–67) 0.88
Baseline γ-GT (U/L) 21 (14–38) 22 (15–31) 0.76
Baseline uric acid (mg/dL) 5.5 (4.8–6.5) 5.5 (4.7–6.2) 0.67
Baseline Hb (g/dL) 14.4 ± 1.4 14.6 ± 1.1 0.53
Baseline Hct (%) 42.3 ± 3.6 43.1 ± 2.9 0.29
Baseline MCH (pg) 31.4 (30–32) 31.0 (30–32) 0.86
Baseline MCV (fL) 90 (86–93) 90 (88–92) 0.63
Baseline WBC (103/µL) 6.5 (5.4–7.9) 6.0 (5.1–7.3) 0.17
Baseline platelets (103/µL) 237 (199–257) 217 (184–263) 0.49

25(OH)D, 25-hydroxyvitamin D; AST, aspartate transaminase; ALT, alanine transaminase; Alk-p, alkaline phosphatase; BUN, blood urea nitrogen; γ-GT, γ-glutamyl transpeptidase; HbA1c, glycated hemoglobin; HDL-C, high-density lipoprotein cholesterol; Hb, hemoglobin; Hct, hematocrit; LDL-C, low-density lipoprotein cholesterol; MCH, mean corpuscular hemoglobin; MCV, mean corpuscular volume; TGs, triglycerides; TC, total cholesterol; WBC, white blood cell count.