Table 1: Patient Baseline Characteristics, Concomitant Pain Medication Use and Duration of Pregabalin Drug Holidays

FM (N=25)
Baseline Characteristics
  Women n, (%) 19 (76.0)
  Age, mean (SD) years 54.2 (6.7)
  FM duration, mean (SD) years 11.0 (8.1)
  SF-MPQ pain VAS score, mean (SD) mm 73.6 (15.0)
  Patients in severe pain*, n (%) 17 (68)
Pain Medications at Enrolment, n (%)
  Any 22 (88.0)
  - Gabapentin 7 (28.0)
  - TCA 9 (36.0)
  - Other (3rd line) 18 (72.0)
Mean/Median Drug Holiday Duration, Days
  Drug holiday 1 7.4/4.0
  Drug holiday 2 3.8/3.0
  Drug holiday 3 5.7/3.0
  Drug holiday 4 5.6/3.0

* Severe pain includes patients with SF-MPQ pain VAS ≥70mm.
Includes medications to which patients were refractory.