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. Author manuscript; available in PMC: 2013 Mar 22.
Published in final edited form as: Lancet Oncol. 2012 Jan 27;13(4):395–402. doi: 10.1016/S1470-2045(11)70384-9

Table 2.

Pain severity and pain management indicator over time, before and after SBRT

Assessment time point BPI “pain at its worst”* MDASI pain item* Strong opioid use
n Mean SD n Mean SD n %
Baseline 148 3·4 2·9 148 3·4 3·1 43 28·9
Two weeks 124 2·9 2·8 124 2·9 3·0 34 28·1
Four weeks 109 2·1 2·4 109 2·1 2·6 26 23·6
Two months 108 2·3 2·6 108 2·3 2·7 23 21·9
Three months 120 2·1 2·7 120 2·1 2·8 31 25·6
Six months 102 1·7 2·4 102 1·9 2·5 20 20·0

SBRT=stereotactic body radiotherapy. BPI=Brief Pain Inventory. MDASI=M. D. Anderson Symptom Inventory. SD=standard deviation.

*

No significant differences between BPI “pain at its worst” mean scores and MDASI pain item mean scores (paired t-tests) were found at any time point other than the six-month assessment (p=0·022).