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. 2021 Feb 25;14:537–548. doi: 10.2147/JPR.S281483

Table 1.

Patient Demographics and Baseline Characteristics

Measure Pregabalin Placebo
N=170 N=164
Sex, n (%)
 Male 28 (16.5) 20 (12.2)
 Female 142 (83.5) 144 (87.8)
Age, years
 Mean ± SD 44.5 ± 11.5 43.5 ± 10.6
 Range 20–78 18–71
Race, n (%)
 Asian 170 (100.0) 164 (100.0)
Weight, kg
 Mean ± SD 59.3 ± 8.7 58.5 ± 10.0
 Range 40–85 36–90
Duration since FM onset, years
 Mean ± SD 6.0 ± 7.0 5.6 ± 6.4
 Median (range) 3.1 (0.3–30.4) 3.2 (0.3–32.1)
Baseline paina
 Mean ± SD 6.2 ± 1.4 6.2 ± 1.4
 Median 6.2 6.0
Baseline sleepb
 Mean ± SD 5.0 ± 2.2 4.8 ± 2.0
 Median 5.4 5.0

Notes: aScore based on an 11-point NRS from 0 (“no pain”) to 10 (“worst possible pain”). bScore based on an 11-point NRS from 0 (“best possible sleep”) to 10 (“worst possible sleep”).

Abbreviations: FM, fibromyalgia; NRS, numerical rating scale; SD, standard deviation.