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. Author manuscript; available in PMC: 2023 Jul 11.
Published in final edited form as: Mov Disord. 2020 May 28;35(8):1448–1456. doi: 10.1002/mds.28086

TABLE 2.

Genetic results

Men

Variable Normal (n = 651) Gray zone (n = 21) P
CGG repeat size, mean (SD) 28.38 (4.34) 45.48 (4.61) < 0.0001
AGG, n (%)5
 Yes
614 (95.05) 21 (100) 0.62
 0 32 (4.95) 0 0.08
 1 176 (27.24) 4 (19.05)
 2 429 (66.41) 15 (71.43)
 3 9 (1.39) 2 (9.52)
Superscript indicates number of missing values.

Women

Variable Normal larger allele (n = 1589) Normal smaller allele (n = 1589) Gray zone larger allele (n = 101) Gray zone smaller allele (n = 101) P value 1a P value 2b

CGG repeat size, mean (SD) 30.91 (3.07) 26.59 (4.27) 44.24 (3.26) 29.54 (4.37) < 0.0001 < 0.0001
AGG, n (%)1
 Yes
1538 (96.85) 1464 (92.19) 95 (94.06) 95 (94.06) 1 1
 0 50 (3.15) 124 (7.81) 6 (5.94) 6 (5.94) <0.0001 <0.0001
 1 245 (15.43) 570 (35.89) 20 (19.8) 14 (13.86)
 2 1242 (78.21) 894 (56.3) 65 (64.36) 80 (79.21)
 3 51 (3.21) 0 8 (7.92) 1 (0.99)
 4 0 0 2 (1.98) 0

Superscript indicates number of missing values.

a

Comparison between normal and gray zone on larger allele.

b

Vomparison between normal and gray zone on smaller allele.