Research Article

Infection Risk Prediction Model for COVID-19 Based on an Analysis of the Settlement of Particles Generated during Dental Procedures in Dental Clinics

Table 5

Prediction model of the risk of infection due to exposure to aerosol particles generated during AGPs.

VariablesORIC 95% value

Tooth1.1(0.8–1.5)0.4
Ventilation1.5(1.1–2.0)0.001
Distance2.7(1.8–3.8)0.001
Instrument11Reference0.001
Filter paper location11Reference0.001
21.3(1.2–3.5)0.001

Variables with statistically significant difference were considered as a risk factor. Instrument 1 (high-speed handpiece) and filter paper location 1 (operator and patient) were taken as the basal level (reference) with an OR = 1.