表 4. Multivariate logistic regression analysis of the effect of systemic variables on dentition defect.

全身因素变量对牙列缺损的多因素逻辑回归分析

Characteristic	OR	95% CI	P
After adjusting for sex, age, BMI, smoking, hypertesion and other factors, a binary logistic regression model was established (assignment: Group A=0, Group B=1). OR: odds ratio; CI: confidence interval; HbA1c: glycosylated hemoglobin; SBP: systolic blood pressure; BMI: body mass index.
Sex	0.63	0.19-2.16	0.5
Age	1.14	1.08-1.21	<0.001
Smoking	1.26	0.37-4.20	0.7
Hypertension	1.25	0.48-3.36	0.7
Frequency of tooth brushing≥2 times per day	0.82	0.51-1.32	0.4
HbA1c	1.61	1.22-2.20	0.001
SBP	1.03	1.01-1.06	0.015
BMI	0.94	0.83-1.05	0.3