Quantities and costs were not reported separately. Considering the short time frame, costs were, appropriately, not discounted. Hospital direct costs included were drug acquisition costs, hospital stay, pharmacy preparation and delivery costs, nursing administration time, and auxiliary charges (tubing and needles). Estimation of quantities was based on actual data recorded from patient records. Estimation of costs appears to be based on actual drug acquisition costs and the average daily cost of an admission to the study centre, non diagnosis-specific. The source of quantity data appears to be direct observation. The source of cost data appears to be the study centre. Quantities of resources were measured at the time of the trial but the date was not reported. Costs were reported as average daily cost per patient, and incremental cost per patient was calculated but termed 'savings'