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Table 1 Based on the baseline characteristics of the study population ascertained by NHANES from 2005 to 2008

From: Association of triglyceride-glucose index and derived indices with cataract in middle-aged and elderly Americans: NHANES 2005–2008

Characteristics

Total (N = 4499)

Non-cataract (N = 4088)

Cataract

(N = 411)

P-value

Age (years)

49.37 ± 18.12

46.86 ± 16.82

74.30 ± 9.84

< 0.001

≤ 41

1647 (36.61%)

1641 (40.14%)

6 (1.46%)

< 0.001

41–60

1450 (32.23%)

1424 (34.83%)

26 (6.33%)

 

≥ 61

1402 (31.16%)

1023 (25.02%)

379 (92.21%)

 

Poverty-to-income ratio

2.63 ± 1.54

2.66 ± 1.56

2.37 ± 1.32

0.003

Body mass index (kg/m2)

28.74 ± 6.45

28.79 ± 6.49

28.24 ± 5.96

0.180

Lymphocyte

2.04 ± 0.91

2.05 ± 0.78

1.94 ± 1.75

< 0.001

Monocyte

0.54 ± 0.19

0.53 ± 0.18

0.60 ± 0.27

< 0.001

Neutrophil

4.09 ± 1.69

4.07 ± 1.69

4.31 ± 1.68

< 0.001

Erythrocyte

4.73 ± 0.52

4.75 ± 0.51

4.50 ± 0.53

< 0.001

Hemoglobin

14.33 ± 1.62

14.38 ± 1.61

13.84 ± 1.59

< 0.001

Platelet

267.62 ± 70.72

268.97 ± 70.54

254.13 ± 71.15

< 0.001

Fasting Blood Glucose

108.31 ± 37.12

107.48 ± 37.21

116.60 ± 35.17

< 0.001

High-Density Lipoprotein

54.78 ± 16.29

54.63 ± 16.29

56.23 ± 16.22

0.047

Total Cholesterol

197.17 ± 42.52

197.46 ± 42.49

194.28 ± 42.72

0.117

Triglyceride

139.97 ± 106.77

139.74 ± 109.29

142.31 ± 77.30

< 0.001

Gender (%)

   

0.030

Male

2211 (49.14%)

2030 (49.66%)

181 (44.04%)

 

Female

2288 (50.86%)

2058 (50.34%)

230 (55.96%)

 

Race(%)

   

< 0.001

Mexican American

829 (18.43%)

799 (19.55%)

30 (7.30%)

 

Other Hispanic

348 (7.74%)

319 (7.80%)

29 (7.06%)

 

Non-Hispanic White

2213 (49.19%)

1914 (46.82%)

299 (72.75%)

 

Non-Hispanic Black

922 (20.49%)

876 (21.43%)

46 (11.19%)

 

Other Race

187 (4.16%)

180 (4.40%)

7 (1.70%)

 

Education Level(%)

   

< 0.001

Less Than 9th Grade

543 (12.07%)

463 (11.33%)

80 (19.46%)

 

9-11th Grade

737 (16.38%)

669 (16.36%)

68 (16.55%)

 

High School Grad

1106 (24.58%)

985 (24.09%)

121 (29.44%)

 

Some College or AA degree

1205 (26.78%)

1114 (27.25%)

91 (22.14%)

 

College Graduate or above

908 (20.18%)

857 (20.96%)

51 (12.41%)

 

Marital status(%)

   

< 0.001

Married

2458 (54.63%)

2251 (55.06%)

207 (50.36%)

 

Widowed

366 (8.14%)

229 (5.60%)

137 (33.33%)

 

Divorced

471 (10.47%)

428 (10.47%)

43 (10.46%)

 

Separated

153 (3.40%)

146 (3.57%)

7 (1.70%)

 

Never married

690 (15.34%)

682 (16.68%)

8 (1.95%)

 

Living with partner

361 (8.02%)

352 (8.61%)

9 (2.19%)

 

Person’s Spouse Education Level

   

< 0.001

Less Than 9th Grade

294 (6.53%)

262 (6.41%)

32 (7.79%)

 

9-11th Grade

307 (6.82%)

283 (6.92%)

24 (5.84%)

 

High School Grad

594 (13.20%)

522 (12.77%)

72 (17.52%)

 

Some College or AA degree

598 (13.29%)

553 (13.53%)

45 (10.95%)

 

College Graduate or above

577 (12.83%)

549 (13.43%)

28 (6.81%)

 

Less Than 9th Grade

2129 (47.32%)

1919 (46.94%)

210 (51.09%)

 

Alcohol drinking(%)

   

< 0.001

YES

3008 (66.86%)

2773 (67.83%)

235 (57.18%)

 

NO

1267 (28.16%)

1106 (27.05%)

161 (39.17%)

 

Other

224 (4.98%)

209 (5.11%)

15 (3.65%)

 

Hypertension(%)

   

< 0.001

YES

1551 (34.47%)

1304 (31.90%)

247 (60.10%)

 

NO

2948 (65.53%)

2784 (68.10%)

164 (39.90%)

 

diabetes

   

< 0.001

YES

512 (11.38%)

404 (9.88%)

108 (26.28%)

 

NO

3904 (86.77%)

3615 (88.43%)

289 (70.32%)

 

Other

83 (1.84%)

69 (1.69%)

14 (3.41%)

 

Smoking status(%)

   

0.001

YES

2189 (48.66%)

1958 (47.90%)

231 (56.20%)

 

NO

2310 (51.34%)

2130 (52.10%)

180 (43.80%)

 

TYG

8.72 ± 0.67

8.70 ± 0.68

8.87 ± 0.58

< 0.001

TYG-WHtR

5.16 ± 1.03

5.13 ± 1.03

5.48 ± 0.94

< 0.001

TYG-BMI

251.76 ± 64.53

251.80 ± 64.95

251.38 ± 60.26

0.755

TYG-NLR

19.13 ± 10.12

18.74 ± 9.81

23.02 ± 12.18

< 0.001

TYG-MLR

2.49 ± 1.11

2.42 ± 1.04

3.15 ± 1.50

< 0.001

TYG-lgPLR

18.53 ± 1.89

18.48 ± 1.87

19.02 ± 1.98

< 0.001

TYG-lgSII

23.58 ± 2.84

23.50 ± 2.83

24.39 ± 2.89

< 0.001

TYG-SIRI

10.53 ± 7.48

10.21 ± 7.19

13.76 ± 9.37

< 0.001

  1. Note: All values are presented as proportion (%) or mean (standard error); to analyze the continuous variables, a weighted Student’s t-test was employed, while for categorical variables, a chi-square test was utilized. Significant values are in [bold]. Abbreviations: TyG, triglyceride-glucose index; WHtR, body mass index; BMI, Body Mass Index; NLR, Neutrophil-to-Lymphocyte Ratio; MLR, Monocyte-to-Lymphocyte Ratio; lgPLR, Log-Transformed Platelet-to-Lymphocyte Ratio; lgSII, Log-Transformed Systemic Immune-Inflammation Index; SIRI, Systemic Inflammation Response Index