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. 2016 Dec 8;10(6):1122–1131. doi: 10.4184/asj.2016.10.6.1122

Table 4. Proportion of patients experiencing pain relief with opioid analgesic treatment by duration of treatment (n=2,037).

graphic file with name asj-10-1122-i004.jpg

Values presented in parentheses are %.

a)Pearson's chi-square test was used to test for statistically significant association between opioid therapy duration and experience of relief (Yes/No) (p=0.013); b)Data on the duration of opioid therapy and experience of pain relief (Yes/No) were not obtainable for 431 patients; c)Percentages given in brackets indicate the proportion experiencing pain relief (Yes/No) for each treatment duration category.