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Table 1 Characteristics of the study population

From: Association between human T cell leukemia virus type-1 (HTLV-1) infection and advanced periodontitis in relation to atherosclerosis among elderly Japanese: a cross-sectional study

 

Atherosclerosis

(−)

(+)

HTLV-1 infection

p

HTLV-1 infection

p

(−)

(+)

(−)

(+)

No. of subjects

512

100

 

232

63

 

Men, %

36.3

31.0

0.309

47.8

39.7

0.251

Age, year

70.1 ± 6.5

72.0 ± 6.6

0.008

73.7 ± 6.8

75.6 ± 6.9

0.055

Body mass index (BMI), kg/m2

22.7 ± 3.2

23.4 ± 3.4

0.043

23.4 ± 3.4

22.8 ± 3.1

0.151

Serum HDL cholesterol, mg/dL

63 ± 15

60 ± 16

0.062

61.3 ± 13.7

63.8 ± 15.6

0.223

Serum triglycerides, mg/dL

103 ± 52

111 ± 61

0.188

99 ± 46

84 ± 30

0.013

Hemoglobin A1c (HbA1c), %

5.7 ± 0.5

5.8 ± 0.5

0.060

5.9 ± 0.6

5.7 ± 0.4

0.007

Glucose lowering medication use, %

3.9

6.0

0.343

10.8

31.1

0.064

Antihyperlipidemic medication use, %

19.5

20.0

0.914

25.9

20.6

0.396

Current smoker, %

6.3

6.0

0.925

6.0

6.3

0.927

No. of remaining teeth

22.0 ± 6.4

22.0 ± 6.0

0.999

20.3 ± 6.6

20.2 ± 7.4

0.923

Individuals with decayed teeth, %

29.1

31.0

0.704

30.6

25.4

0.423

CIMT, mm

0.83 ± 0.10

0.84 ± 0.10

0.405

1.17 ± 0.18

1.15 ± 0.22

0.553

Reticulocyte, × 104 cells/μL

5.169 ± 1.806

5.280 ± 1.740

0.574

5.071 ± 1.663

5.331 ± 3.510

0.405

  1. Values: mean ± 1 standard deviation (SD). CIMT Carotid Intima-Media Thickness. Atherosclerosis is defined as carotid intima-media thickness (CIMT) ≥ 1.1 mm.