Table 3. Proportion of patients experiencing pain relief with opioid analgesic treatment by type of pain (n=1,945).

Values presented in parentheses are %.

^a)Pearson's chi-square test was used to test for statistically significant association between type of pain and experience of pain relief with treatment (Yes/No) (p=0.001); ^b)Data on the type of pain and experience of pain relief (Yes/No) were not obtainable for 523 patients; ^c)Percentages given in brackets indicate the proportion that experienced pain relief (Yes/No) for each type of pain.