Table 5.

Associations between ischemic heart diseases and different independent variables including the number of lost teeth by Cox regression analysis

Independent variables at baseline	All individuals (n = 813) HR, CI, p value	Women (n = 430) HR, CI, p value	Men (n = 383) HR, CI, p value	YO (n = 452) HR, CI, p value	OO (n = 361) HR, CI, p value
Age cut	HR: 1.7, CI: 1.2–2.3, p = 0.002**	HR: 2.2, CI: 1.4–3.4, p = 0.001**	HR: 1.3, CI: 0.8–2.0, p = 0.291
BMI ≥ 30	HR: 1.2, CI: 0.8–1.6, p = 0.356	HR: 1.1, CI: 0.7–1.8, p = 0.686	HR: 1.3, CI: 0.8–2.1, p = 0.320	HR: 1.2, CI: 0.8–1.9, p = 0.370	HR: 1.1, CI: 0.7–1.9, p = 0.666
Diabetes type 2	HR: 1.3, CI: 0.8–2.1, p = 0.257	HR: 1.4, CI: 0.7–2.8, p = 0.379	HR: 1.3, CI: 0.7–2.5, p = 0.427	HR: 1.3, CI: 0.7–2.5, p = 0.380	HR: 1.2, CI: 0.6–2.5, p = 0.571
Gender	HR: 1.2, CI: 0.9–1.7, p = 0.201			HR: 1.5, CI: 1.0–2.3, p = 0.036*	HR: 1.0, CI: 0.6–1.6, p = 0.995
Hypertension	HR: 1.5, CI: 1.1–2.0, p = 0.012*	HR: 1.8, CI: 1.2–2.8, p = 0.008**	HR: 1.2, CI: 0.7–1.8, p = 0.514	HR: 1.5, CI: 1.0–2.3, p = 0.072	HR: 1.5, CI: 0.9–2.3, p = 0.090
History of AMI	HR: 2.2, CI: 1.4–3.5, p = 0.000**	HR: 2.4, CI: 1.0–5.5, p = 0.040*	HR: 2.3, CI: 1.4–3.9, p = 0.002**	HR: 2.2, CI: 1.1–4.4, p = 0.03*	HR: 2.2, CI: 1.3–3.9, p = 0.007**
Smoking	HR: 1.1, CI: 0.8–1.5, p = 0.567	HR: 1.1, CI: 0.7–1.7, p = 0.700	HR: 1.2, CI: 0.8–1.8, p = 0.494	HR: 1.3, CI: 0.9–2.0, p = 0.202	HR: 0.9, CI: 0.6–1.5, p = 0.690
Tooth loss	HR: 1.0, CI: 1.0–1.1, p = 0.006**	HR: 1.0, CI: 1.0–1.1, p = 0.019**	HR: 1.0, CI: 1.0–1.1, p = 0.161	HR: 1.0, CI: 1.0–1.1, p = 0.006**	HR: 1.0, CI: 1.0–1.0, p = 0.285

AMI acute myocardial infarction, BMI body mass index, Tooth loss = number of lost teeth, YO young-old 60–72 years, OO old-old 78–93 years, *p < 0.05, **p < 0.01