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Table 4 Odds ratios (ORs) and 95% confidence intervals (CIs) for advanced periodontitis in relation to human T cell leukemia virus type-1 (HTLV-1) infections by status of atherosclerosis

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

Interaction

(−)

(+)

 

HTLV-1 infection

p

HTLV-1 infection

p

p

(−)

(+)

(−)

(+)

No. of subjects

512

100

 

232

63

  

No. of case (%)

108 (21.1)

15 (15.0)

 

52 (22.4)

22 (34.9)

  

Model 1

1.00

0.64 (0.35, 1.15)

0.135

1.00

2.02 (1.09, 3.73)

0.026

0.015

Model 2

1.00

0.62 (0.34, 1.13)

0.116

1.00

2.00 (1.05, 3.78)

0.034

0.011

Model 3

1.00

0.61 (0.34, 1.12)

0.113

1.00

2.01 (1.06, 3.81)

0.033

0.013

  1. Advanced periodontitis is defined as periodontal pocket ≥ 6.0 mm. Atherosclerosis is defined as carotid intima-media thickness (CIMT) ≥ 1.1 mm. Model 1: adjusted only for sex and age. Model 2: adjusted further for smoking status (never, former, current), number remaining teeth, status of decayed teeth (presence, absence), body mass index (BMI), HDL-cholesterol, triglycerides, hemoglobin A1c (HbA1c), reticulocyte count, and CIMT. Model 3: adjusted further for antihyerlipidemic medication use (yes, no) and glucose-lowering medication use (yes, no)