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Table 1 Characteristics of study population

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

 

Reticulocyte count levels

Low

High

HTLV-1 infection

p

HTLV-1 infection

p

(−)

(+)

(−)

(+)

No of subjects

345

66

 

337

74

 

No of advanced periodontitis (%)

72 (20.9)

21 (31.8)

0.052

75 (22.3)

13 (17.6)

0.375

Men, %

40.9

33.3

0.253

39.5

40.5

0.865

Age, year

71.7 ± 7.0

72.8 ± 6.5

0.209

70.2 ± 6.3

72.3 ± 6.5

0.010

Current smoker, %

3.8

7.6

0.167

8.0

4.1

0.237

Former smoker, %

25.8

19.7

0.294

22.0

23.0

0.850

No of remaining teeth

22.3 ± 5.3

23.4 ± 4.9

0.125

22.9 ± 5.2

22.6 ± 4.8

0.574

Individuals with decayed teeth, %

28.1

28.8

0.912

27.9

25.7

0.700

CIMT, mm

0.71 ± 0.13

0.73 ± 0.12

0.321

0.70 ± 0.13

0.72 ± 0.14

0.299

Hemoglobin, g/dL

13.6 ± 1.2

13.4 ± 1.2

0.191

14.1 ± 1.3

13.8 ± 1.1

0.156

Reticulocyte, × 104 cells/μL

3.871 ± 0.744

3.874 ± 0.788

0.978

6.490 ± 1.523

6.747 ± 3.019

0.286

GFR, mL/min/1.73m2

70.5 ± 13.1

67.9 ± 14.1

0.135

70.3 ± 15.0

70.7 ± 14.6

0.833

  1. Values: mean ± 1 standard deviation (SD). Advanced periodontitis is defined as periodontal pocket ≥ 6.0 mm. Low reticulocyte levels were < 5.175 × 104 cells/μL for men and < 4.926 × 104 cells/μL for women
  2. CIMT carotid intima-media thickness, GFR glomerular filtration rate