Table 5

Patient Global Impression of Change

Group 1Group 2*
Average PGIC
(SD, N)
Average PGIC
(SD, N)
Week 4*1.4 (1.1, 11)0.6 (1.3, 13)
Week 8 (EOT)2.2 (0.9, 10)†1.3 (1.0, 11)
Month 31.9 (0.9, 10)†1.0 (0.8, 10)
Month 121.8 (1.3, 8)1.2 (1.5, 4)
  • *Group 2 crossed over at week 4 to receive 4 weeks of active stimulation.

  • †P<0.05 compared with group 2 at the end of the placebo period.

  • EOT, end of treatment; PGIC, Patient Global Impression of Change.