Figure 4.

Patients who reported as pain-free on the VAS diary in the comparative phase (intent-to-treat population). Pain-free was defined as a VAS diary pain score of 0 mm (on a scale from 0 [no pain] to 100 mm [worst possible pain]) for all 21 full-dose injections. IFN, interferon; VAS, visual analog scale.

Singer et al. BMC Neurology 2012 12:154   doi:10.1186/1471-2377-12-154
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