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Table 1 The baseline characteristics of participants

From: Link between triglyceride-glucose-body mass index and future stroke risk in middle-aged and elderly chinese: a nationwide prospective cohort study

TyG-BMI quartile

Q1 (< 175.14)

Q2 (175.14–198.79)

Q3 (198.79–228.35)

Q4 (≥ 228.35)

P-value

Participants (n)

2175

2174

2174

2175

 

Age (years, mean ± SD)

61.9 ± 9.9

59.4 ± 9.2

58.7 ± 8.9

57.5 ± 8.5

< 0.001

PLT (109/L, mean ± SD)

208.41 ± 76.22

210.43 ± 72.23

209.89 ± 70.63

217.45 ± 71.30

< 0.001

WBC (109/L, mean ± SD)

6.05 ± 1.98

6.15 ± 1.85

6.21 ± 1.78

6.55 ± 1.90

< 0.001

BUN (mg/L, mean ± SD)

45.60 ± 14.04

44.44 ± 13.02

43.21 ± 11.76

42.99 ± 11.95

< 0.001

FPG (mg/L, mean ± SD)

99.17 ± 18.79

104.95 ± 26.84

109.82 ± 32.37

125.99 ± 52.62

< 0.001

Scr (mg/dL, mean ± SD)

0.78 ± 0.24

0.78 ± 0.30

0.78 ± 0.18

0.78 ± 0.20

0.707

eGFR (mL/min·1.73 m2, mean ± SD)

96.54 ± 15.47

97.29 ± 15.28

96.84 ± 15.58

96.72 ± 15.99

0.433

TC (mg/dL, mean ± SD)

183.83 ± 35.25

190.64 ± 37.15

196.32 ± 37.42

203.63 ± 40.65

< 0.001

TG (mg/dL,median, quartile)

73.46 (57.53–94.69)

92.93 (71.02–124.79)

116.82 (87.61–161.96)

165.49 (120.36–243.38)

< 0.001

TyG(mean ± SD)

8.20 ± 0.44

8.49 ± 0.46

8.77 ± 0.52

9.26 ± 0.68

< 0.001

TyG-BMI (mean ± SD)

158.34 ± 12.84

186.80 ± 6.86

212.56 ± 8.35

256.36 ± 22.38

< 0.001

HDL-c (mg/dL, mean ± SD)

59.89 ± 15.79

54.75 ± 14.38

49.01 ± 13.04

42.16 ± 11.58

< 0.001

LDL-c (mg/Dl, mean ± SD)

109.75 ± 30.75

116.90 ± 32.86

120.86 ± 34.12

119.07 ± 40.05

< 0.001

CRP (mg/L median, quartile)

0.77 (0.44–1.81)

0.83 (0.48–1.80)

1.05 (0.58–2.07)

1.43 (0.80–2.73)

< 0.001

HBA1C (%, mean ± SD)

5.09 ± 0.52

5.18 ± 0.68

5.23 ± 0.70

5.56 ± 1.10

< 0.001

UA (mg/dL, mean ± SD)

4.29 ± 1.21

4.31 ± 1.19

4.49 ± 1.27

4.66 ± 1.27

< 0.001

HGB (g/L, mean ± SD)

13.96 ± 2.23

14.26 ± 2.26

14.31 ± 2.06

14.67 ± 2.28

< 0.001

SBP (mmHg, mean ± SD)

124.88 ± 21.75

126.96 ± 20.48

130.60 ± 21.21

134.43 ± 21.47

< 0.001

DBP (mmHg, mean ± SD)

71.81 ± 11.75

73.99 ± 11.72

76.57 ± 11.75

79.51 ± 12.29

< 0.001

Cystatin C (mg/L, mean ± SD)

1.06 ± 0.27

1.02 ± 0.32

0.99 ± 0.24

0.96 ± 0.25

< 0.001

BMI (kg/m2, mean ± SD)

19.36 ± 1.70

22.07 ± 1.34

24.30 ± 1.54

27.77 ± 2.51

< 0.001

Sex (N, %)

< 0.001

 Male

1240 (57.01%)

1064 (48.94%)

912 (41.95%)

791 (36.37%)

 

 Female

935 (42.99%)

1110 (51.06%)

1262 (58.05%)

1384 (63.63%)

 

Hypertension (N, %)

272 (12.51%)

362 (16.65%)

550 (25.30%)

872 (40.09%)

< 0.001

DM (N, %)

38 (1.75%)

68 (3.13%)

121 (5.57%)

247 (11.36%)

< 0.001

Malignant tumors (N, %)

25 (1.15%)

15 (0.69%)

18 (0.83%)

32 (1.47%)

0.051

CLD (N, %)

318 (14.62%)

220 (10.12%)

185 (8.51%)

194 (8.92%)

< 0.001

CKD (N, %)

170 (7.82%)

144 (6.62%)

139 (6.39%)

125 (5.75%)

0.049

Smoking status (N, %)

< 0.001

 Never

1087 (49.98%)

1276 (58.69%)

1435 (66.01%)

1524 (70.07%)

 

 Ever

171 (7.86%)

167 (7.68%)

197 (9.06%)

208 (9.56%)

 

 Current

917 (42.16%)

731 (33.62%)

542 (24.93%)

443 (20.37%)

 

Drinking status (N, %)

< 0.001

 Never

311 (14.30%)

296 (13.62%)

300 (13.80%)

281 (12.92%)

 

 Ever

1226 (56.37%)

1281 (58.92%)

1357 (62.42%)

1463 (67.26%)

 

 Current

638 (29.33%)

597 (27.46%)

517 (23.78%)

431 (19.82%)

 
  1. SD standard deviation, N number, LDL-c low-density lipoproteins cholesterol, BUN blood urea nitrogen, TyG-BMI Triglyceride glucose-body mass index, WBC white blood cell count, PLT platelet, BMI body mass index, HGB hemoglobin concentration, UA Uric acid, TC total cholesterol, HBA1c hemoglobin A1c, DBP diastolic blood pressure, TG triglyceride, eGFR Estimated glomerular filtration rate, CLD Chronic Lung Diseases, DM diabetes mellitus, Scr serum creatinine, HDL-c high-density lipoprotein cholesterol, CKD Chronic kidney diseases, SBP systolic blood pressure