Table 4. Hazard Ratios for COPD Related Events.

	Hazard Ratio (95% Conf. Limit)
	Unadjusted	Adjusted*
Periodontal Health	Ref	Ref
Periodontal Entry	1.90 (1.28–2.83)	1.37 (0.89–2.12)
Periodontal Severe	2.22 (1.44–3.41)	1.34 (0.83–2.18)
Edentulous	4.66 (3.21–6.78)	2.28 (1.46–3.56)

^*Adjusted for Race/Center (5-levels), Gender and Age, Smoking (3-levels), Pack Years, Hypertension, Education (3-levels) and BMI.