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Table 1 Demographics of study participants and US populations from the 1000 Genomes Project

From: Association of Catechol-O-methyltransferase single nucleotide polymorphisms, ethnicity, and sex in a large cohort of fibromyalgia patients

Group

Mean Age

Ethnicity

n (% Total)

% Females

Fibromyalgia (FM)

54.9

All:

2713 (100%)

72%a

African-American:

380 (14%)b

71%

Caucasian:

1779 (66%)b

71%

Hispanic:

130 (4.8%)

71%

Other:

34 (1.3%)

65%

Non-Fibromyalgia (Non-FM)

55.7

All:

32,141 (100%)

59%

African-American:

2863 (8.9%)b

65%

Caucasian:

21,807 (68%)b

58%

Hispanic:

2515 (7.8%)

57%

Other:

2028 (6.3%)

60%

1000 Genomes (US populations)

N/A

All:

224 (100%)

52%

African-American:

61 (27%)

57%

Caucasian:

99 (44%)

51%

Hispanic:

64 (29%)

50%

  1. a% Females in FM is significantly increased as compared to % females in the Non-FM group (p = 1.17 × 10− 30)
  2. b% African-Americans is significantly increased as compared to % of Caucasians in the Non-FM group (p = 3.11 × 10− 12)