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. 2016 Mar 31;18:73. doi: 10.1186/s13075-016-0972-7

Fig. 3.

Fig. 3

CFB in VAS pain 6-week data versus CFB in VAS pain 12-week data. A scatterplot of observed CFB data from RCT arms is displayed along with predicted regression lines, N-weighted (red line) and precision-weighted (blue line). AIC Akaike information criterion; CFB change from baseline, RCT randomised controlled trial, VAS visual analogue scale