The P/E ratio tells analyst how much an investor in common stock pays per dollar of current earnings. Cisco Systems Inc.'s P/E ratio increased from 2013 to 2014 but then slightly declined from 2014 to 2015.
1 For patients not covered by health insurance, a PET scan typically costs an average of about $4,900 for a PET scan of the whole body to $6,700 for the brain and $6,800 for the heart, according to NewChoiceHealth.com.
1 MedCentral Health System in Ohio charges $3,059 for a PET scan from the base of skull to mid-thigh, $3,304 for a PET scan of the whole body and $3,723 for a PET scan of the brain.2  The Southern Ohio Medical Center charges $4,010 for a PET scan from the base of the skull to the thigh. For example, the cost for a whole-body PET scan ranges from $3,200 at a center in Mississippi to $10,300 at a hospital in California.