Study procedures
pneumonia
EVENTS, PNEUMONIA, ADVERSE EFFECTS
The participants baseline characteristics were obtained at enrolment included smoking, current medications and supplement use. The highest CURB-65 score (pneumonia severity) in the 12 h prior to enrolment was recordedAdverse events were monitored by regular review of participants during hospitalisation. Reasons for missed doses of the study medication were taken from the electronic medication records (Medchart), electronic nursing notes, and interviewing subjects.Thirty days after admission the investigators administered a brief questionnaire by telephone to record compliance with oral medication, adverse effects, persistence of symptoms from their presenting illness, and return to normal activityStudy data were collected and managed using REDCap electronic data capture tools hosted at University of OtagoSamples for plasma vitamin C concentrations (lithium heparin tubes) were retrieved from the refrigerated (− 20 °C) storage facility in the diagnostic laboratory within 6 h for baseline measures