The Korean Journal of Clinical Laboratory Science

Pulmonary function test laboratory facilities (%)

Facility	Yes	No	Non-response
Ventilation
Negative pressure	45.10	52.94	1.96
Ventilation outside air type	62.75	33.33	3.92
Private	29.41	66.67	3.92
Seperation
Private	80.39	19.61	-
Office	15.69	84.31	-
Between equipment	49.02	51.98	-
Door type
Automatic	19.61	-	-
Manual	80.39	-	-