Table 1 Characteristics of the study population by serum Gly tertiles
From: Association of serum glycine levels with metabolic syndrome in an elderly Chinese population
Characteristica | Tertile of serum Gly | P trend b | ||
|---|---|---|---|---|
T1 | T2 | T3 | ||
Number | 158 | 157 | 157 | |
Gly, μmol/L | 219.3 (205.2–230.8) | 253.5 (247.2–261.2) | 301.1 (285.0–344.7) | < 0.001 |
Age, years | 70.6 ± 6.7 | 69.9 ± 6.1 | 69.7 ± 6.9 | 0.253 |
Male, n (%) | 102 (64.6) | 91 (57.9) | 79 (50.3) | 0.011 |
BMI, kg/m2 | 25.0 ± 3.2 | 24.4 ± 3.2 | 23.7 ± 3.4 | 0.001 |
WC, cm | 88.6 ± 8.4 | 87.4 ± 9.2 | 84.4 ± 8.8 | < 0.001 |
SBP, mmHg | 134.8 ± 16.3 | 136.6 ± 19.9 | 132.8 ± 16.9 | 0.331 |
DBP, mmHg | 76.8 ± 8.0 | 75.7 ± 9.1 | 75.8 ± 8.0 | 0.341 |
Current smoker, n (%) | 11 (7.0) | 17 (10.8) | 15 (9.6) | 0.424 |
Current drinker, n (%) | 20 (12.7) | 25 (15.9) | 15 (9.6) | 0.901 |
FBG, mmol/L | 5.8 ± 1.1 | 5.8 ± 1.3 | 5.6 ± 0.9 | 0.164 |
TG, mmol/L | 1.4 (1.0–2.0) | 1.3 (0.9–1.7) | 1.2 (0.8–1.6) | 0.001 |
TC, mmol/L | 4.9 ± 1.0 | 5.0 ± 1.0 | 5.0 ± 0.8 | 0.312 |
HDL-C, mmol/L | 1.3 (1.1–1.5) | 1.3 (1.1–1.6) | 1.4 (1.2–1.6) | 0.004 |
LDL-C, mmol/L | 2.9 (2.3–3.5) | 3.0 (2.3–3.5) | 2.9 (2.4–3.3) | 0.708 |
Apo AI, mg/dL | 138.6 (127.3–149.2) | 137.5 (128.7–150.6) | 142.0 (130.6–153.5) | 0.075 |
ApoB, mg/dL | 98.8 ± 21.2 | 98.3 ± 22.3 | 97.2 ± 19.7 | 0.499 |
CRP, mg/dL | 0.1 (0.05–0.18) | 0.1 (0.05–0.19) | 0.08 (0.04–0.15) | 0.067 |
MetSc, n (%) | 78 (49.4) | 59 (37.6) | 47 (29.9) | < 0.001 |