{"classes":[{"categories":[{"measurements":[{"groupId":"OG000","spread":"20.83586","value":"21.5116"},{"groupId":"OG001","spread":"64.54599","value":"41.2025"}]}],"title":"Baseline"},{"categories":[{"measurements":[{"groupId":"OG000","spread":"45.04760","value":"31.6728"},{"groupId":"OG001","spread":"23.11714","value":"19.0317"}]}],"title":"Discharge, average 14 days"}],"denoms":[{"counts":[{"groupId":"OG000","value":"27"},{"groupId":"OG001","value":"27"}],"units":"Participants"}],"description":"Melatonin level","dispersionType":"Standard Deviation","groups":[{"description":"PEI Experimental Light: Ambient Light Fixture delivery of circadian active bright white light (BWL) installed in the patient's hospital room will turn on automatically and illuminate the hospital room from 7 to 10 AM each morning.","id":"OG000","title":"Circadian Active Bright White Light (BWL)"},{"description":"Comparison Light: Ambient Light Fixture delivery of circadian inactive dim white light (DWL) installed in the patient's hospital room will turn on automatically and illuminate the hospital room from 7 to 10 AM each morning.","id":"OG001","title":"Circadian Inactive Dim White Light (DWL)"}],"paramType":"MEAN","reportingStatus":"POSTED","timeFrame":"Baseline and Discharge","title":"Melatonin","type":"SECONDARY","unitOfMeasure":"ng/ml"}