이 세 집단 중에서, 지속적으로 운영된 장기요양시설을 기준집단으로 하여, 폐업 및 재설치의 나머지 두 집단과 비교하였다.
Among these three groups, long-term care facilities that were continuously operated were used as the reference group, and were compared with the other two groups of cessation and reopening.