Table 2 Prevalence of apron shield usage by decade, gender and patient's age.
From: Thyroid shields and neck exposures in cephalometric radiography
Apron | 1973–1990 | 1991–2000 | 2001–2003 | Overall |
|---|---|---|---|---|
Overall | 3.5% | 28.1% | 72.7% | 16.6% |
Gender | ||||
Females | 2.2% | 21.4% | 79.5% | 13.4% |
Males | 5.4% | 38.7% | 65.8% | 21.5% |
Age group | ||||
Adults (> 20 years old) | 4.4% | 25.6% | 57.1% | 13.9% |
Children and adolescents | 3.2% | 28.7% | 74.3% | 17.3% |