FILE: biomarker_values.csv 
	
	- Comma seperated file containing biomarker (CTR and CPAR) values caluclated for all 96,161 posterior-anterior chest X-rays in MIMIC-CXR

	- For CTR values are present for 95,208 (99.0%) of scans. For CPAR values are present for 93,879 (97.63%) of scans. For samples without a biomarker values there are three possible error values:
		Error Value	| Cause of error
		 2		| Unable to locate heart
		 3		| Unable to locate lungs
		 4		| Unable to locate either heart or lungs