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Table 1 Baseline characteristics of the study population based on new-onset diabetes

From: Application of the C-reactive protein-triglyceride glucose index in predicting the risk of new-onset diabetes in the general population aged 45 years and older: a national prospective cohort study

Characteristic

Total (N = 6728)

Q1 (n = 1682)

Q2 (n = 1682)

Q3 (n = 1682)

Q4 (n = 1682)

P

Age(years)

58.10 ± 8.66

57.19 ± 8.67

58.12 ± 8.75

58.57 ± 8.54

58.52 ± 8.61

<0.001

FBG(mg/dl)

100.30 ± 10.87

95.71 ± 11.04

99.03 ± 10.15

101.22 ± 9.84

105.25 ± 10.14

<0.001

GHb(%)

5.11 ± 0.39

5.06 ± 0.37

5.09 ± 0.39

5.12 ± 0.38

5.19 ± 0.41

<0.001

TC(mg/dl)

193.00 ± 37.10

182.45 ± 33.55

190.66 ± 34.51

195.33 ± 35.59

203.54 ± 41.13

<0.001

TG(mg/dl)

120.12 ± 74.64

66.20 ± 19.17

93.79 ± 26.76

123.11 ± 39.66

197.37 ± 100.29

<0.001

HDL-C(mg/dl)

52.08 ± 14.89

60.64 ± 14.82

54.92 ± 13.59

49.80 ± 12.84

42.95 ± 12.19

<0.001

LDL-C(mg/dl)

118.03 ± 33.56

110.80 ± 29.16

119.48 ± 31.35

122.61 ± 32.86

119.24 ± 38.94

<0.001

DBP(mmHg)

74.47 ± 11。98

72.22 ± 11.49

73.57 ± 11.77

75.22 ± 12.26

76.86 ± 11.89

<0.001

SBP(mmHg)

126.85 ± 20.50

122.66 ± 19.47

125.51 ± 19.73

128.25 ± 20.57

130.99 ± 21.26

<0.001

WHtR

0.53 ± 0.13

0.50 ± 0.07

0.53 ± 0.17

0.54 ± 0.16

0.56 ± 0.08

<0.001

CRP(mg/dl)

0.93 (0.52,1.92)

0.45 (0.32,0.67)

0.75 (0.49,1.21)

1.23 (0.73,2.12)

2.42 (1.29,5.05)

<0.001

TyG

8.56 ± 0.54

8.01 ± 0.30

8.40 ± 0.28

8.68 ± 0.33

9.14 ± 0.48

<0.001

CTI

5.74 ± 0.73

4.89 ± 0.28

5.46 ± 0.14

5.94 ± 0.15

6.71 ± 0.41

<0.001

Gender(%)

     

0.001

Male

3024 (44.9)

811 (48.2)

781 (46.4)

722 (42.9)

710 (42.2)

 

Female

3704 (55.1)

871 (51.8)

901 (53.6)

960 (57.1)

972 (57.8)

 

Residence status(%)

     

<0.001

Urban

2329 (41.9)

497 (29.5)

518 (30.8)

609 (36.2)

705 (41.9)

 

Rural

4399 (58.1)

1185 (70.5)

1164 (69.2)

1073 (63.8)

977 (58.1)

 

Marital status(%)

     

0.714

Married

6046 (89.9)

1523 (90.5)

1512 (89.9)

1504 (89.4)

1507 (89.6)

 

Non-married

682 (10.1)

159 (9.5)

170 (10.1)

178 (10.6)

175 (10.4)

 

Smoking status(%)

     

0.011

Never

4222 (62.8)

1029 (61.2)

1055 (62.7)

1071 (63.7)

1067 (63.4)

 

Ever

514 (7.6)

104 (6.2)

132 (7.8)

130 (7.7)

148 (8.8)

 

Current

1992 (29.6)

549 (32.6)

495 (29.4)

481 (28.6)

467 (27.8)

 

Drinking status(%)

     

0.002

Never

3965 (58.9)

952 (56.6)

960(57.1)

1013 (60.2)

1040 (61.8)

 

Ever

543 (8.1)

128 (7.6)

129 (7.7)

140 (8.3)

146 (8.7)

 

Current

2220 (33.0)

602 (35.8)

593 (35.3)

529 (31.5)

496 (29.5)

 

Education level(%)

     

0.019

Below elementary school

3138 (46.6)

791 (47.0)

783 (46.6)

805 (47.9)

759 (15.1)

 

Elementary school

1451 (21.6)

341 (20.3)

406 (24.1)

332 (19.7)

372 (22.1)

 

Secondary school and higher

2139 (31.8)

550 (32.7)

493 (29.3)

545 (32.4)

551 (32.8)

 

Dyslipidemia(%)

     

<0.001

No

3717 (55.2)

1405 (83.5)

1193 (70.9)

816 (48.5)

303 (18.0)

 

Yes

3011 (44.8)

277 (16.5)

489 (29.1)

866 (51.5)

1379 (82.0)

 

Hypertension(%)

     

<0.001

No

2809 (41.8)

1164 (69.2)

1051 (62.5)

904 (53.7)

800 (47.6)

 

Yes

3919 (58.2)

518 (30.8)

631 (37.5)

778 (46.3)

882 (52.4)

 

Cardiovascular disease(%)

     

<0.001

No

5922 (88.0)

1540 (91.6)

1518 (90.2)

1457 (86.6)

1407 (83.7)

 

Yes

806 (12.0)

142 (8.4)

164 (9.8)

225 (13.4)

275 (16.3)

 

Diabetes(%)

     

<0.001

No

5659 (84.1)

1515 (90.1)

1475 (87.7)

1377 (81.9)

1292 (76.8)

 

Yes

1069 (15.9)

167 (9.9)

207 (12.3)

305 (18.1)

390 (23.2)

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