전체 시료 채취 건수 574건 중에서 검출율은 70.6%(405건)였으며, 불검출율은 29.4%(169건)로 나타났다.
The detection rate was 70.6% (405 cases) out of the total number of 574 samples collected, and the non-detection rate was 29.4% (169 cases).