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Table 2 PGIC responses at end of study

From: Pregabalin in fibromyalgia - responder analysis from individual patient data

  Percent with treatment/placebo NNT (95% CI)
Improvement Placebo 300 mg 450 mg 600 mg 300 mg 450 mg 600 mg
At least minimal 45 54 59 47 11 (7.1 to 28) 7.3 (5.3 to 12) not calculated
At least much 25 32 36 33 14 (8.5 to 44) 8.9 (6.2 to 16) 13 (7.7 to 41)
Very much 6.7 11 11 10 26 (15 to >100) 24 (14 to 80) not calculated