Dose ratios ranged from 2.5:1 to 14.3:1 (median, 7.75:1), which indicated that, in most cases, the dose ratio was much higher than that suggested by the published equianalgesic tables. A strong linear ...

PURPOSE To define the dose ratio between morphine and methadone in relation to the previous morphine dose and the number of days needed to achieve the same level of analgesia in a group of patients ...