Impact of Visit-to-Visit Triglyceride-Glucose Index Variability on the Risk of Cardiovascular Disease in the Elderly
Table 1
Baseline characteristics according to the quartiles of TyG variability.
Total
Q1 (0–0.17)
Q2 (0.17–0.27)
Q3 (0.27–0.42)
Q4 (0.42–3.03)
Demographic characteristics
N
27,520
6,880
6,880
6,880
6,880
Age, years
66.8 (5.2)
67.2 (5.3)
66.9 (5.2)
66.7 (5.2)
66.2 (4.9)
<0.001
Female
14,232 (52%)
3,450 (50%)
3,520 (51%)
3,576 (52%)
3,686 (54%)
0.14
Waist, cm
83.5 (8.8)
83.3 (9.0)
83.4 (8.7)
83.5 (8.9)
83.8 (8.6)
0.006
BMI, kg/m2
24.4 (3.4)
24.3 (3.4)
24.3 (3.3)
24.4 (3.5)
24.6 (3.4)
<0.001
Smoking statue
0.14
Ever smoking
6,209 (23%)
1,586 (23%)
1,599 (23%)
1,518 (22%)
1,506 (22%)
Never
21,311 (77%)
5,294 (77%)
5,281 (77%)
5,362 (78%)
5,374 (78%)
Exercise status
0.04
Not active
15,706 (57%)
3,842 (56%)
3,928 (57%)
3,961 (58%)
3,975 (58%)
Somewhat active
2,724 (10%)
672 (10%)
665 (10%)
667 (10%)
720 (10%)
Regularly active
9,090 (33%)
2,366 (34%)
2,287 (33%)
2,252 (33%)
2,185 (32%)
Clinical characteristics
Diabetes
3,399 (12%)
616 (9%)
687 (10%)
871 (13%)
1,225 (18%)
<0.001
Hypertension
12,893 (47%)
3,044 (44%)
3,160 (46%)
3,226 (47%)
3,463 (50%)
<0.001
SBP, mmHg
139.6 (19.0)
139.1 (19.1)
139.3 (18.9)
139.7 (18.8)
140.3 (19.0)
0.002
DBP, mmHg
80.6 (10.5)
80.3 (10.7)
80.4 (10.6)
80.6 (10.3)
80.9 (10.3)
0.005
LDL-C, mmol/L
2.8 (0.9)
2.8 (0.9)
2.8 (0.9)
2.9 (0.9)
2.8 (0.9)
0.024
HDL-C, mmol/L
1.47 (0.5)
1.51 (0.6)
1.48 (0.5)
1.48 (0.5)
1.43 (0.5)
<0.001
Mean TyG (mg/dL)2
8.74 (0.5)
8.64 (0.5)
8.68 (0.5)
8.74 (0.5)
8.92 (0.6)
<0.001
Data are presented as mean (SD) for continuous variables or n (%) for categorical variables. Q, quartile; BMI, body mass index; SBP, systolic blood pressure; DBP, diastolic blood pressure; LDL-C, low-density lipoprotein cholesterol; HDL-C, high-density lipoprotein cholesterol; TyG, triglyceride-glucose.