Table 3

Odds ratios of atherosclerosis and their 95% CI when categorized by indices of periodontal disease (CPITN score, average probing depth and gingival bleeding index) before and after adjustment for age, systolic blood pressure and pack-years


Unadjusted
Adjusted for age, SBP, pack-years

Periodontal disease (CPITNscore ≧1)
1.51 [0.71–3.19]
0.50 [0.18–1.42]
Advanced periodontal disease (CPITNscore ≧3)
2.58* [1.56–4.26]
0.58 [0.26–1.29]
Severe periodontal disease (CPITNscore = 4)
2.46* [1.30–4.64]
1.13 [0.50–2.53]
Average probing depth ≧2 mm
2.06 [0.81–5.28]
0.42 [0.12–1.53]
Average probing depth ≧3 mm
2.62* [1.61–4.28]
1.02 [0.52–1.99]
Average probing depth ≧4 mm
3.19 * [1.66–6.13]
1.34 [0.59–3.04]
Gingival bleeding index ≧25%
1.34 [0.82–2.09]
0.64 [0.33–1.26]
Gingival bleeding index ≧50%
1.59 [0.99–2.55]
0.81 [0.43–1.53]
Gingival bleeding index ≧75%
1.73* [1.04–3.09]
1.14 [0.56–2.29]

† SBP: systolic blood pressure, CPITN: Community Periodontal Index of Treatment Needs

* p value < 0.05

Atherosclerosis is defined as baPWV ≧1400 (cm/sec).

Miyaki et al. BMC Public Health 2006 6:131   doi:10.1186/1471-2458-6-131