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Table 2 Data summary of Clinical Characteristics of of reported FXTAS cases

From: A Chinese case of fragile X-associated tremor/ataxia syndrome (FXTAS) with orthostatic tremor:case report and literature review on tremor in FXTAS

 

Total(n = 64)

Male (n = 44)

Female (n = 20)

P-valueb

Onset age (years old)

60.5 (12.5)a

59.0 (10.5)

61.5 (14)

0.376

Duration before diagnosis (years)

5 .5(5.4)a

4.8 (5.6)

5.8 (5.2)

0.026

Positive family history(%)

44/59(74.6%)

30/40(75.0)

14/19(73.7%)

0.905

Tremor(%)

52/61(85.2%)

33/41(80.5%)

19/20(95.0%)

0.135

Intention tremor(%)

26/61(42.6%)

15/41(36.6%)

11/20(55.5%)

0.171

Kinetic tremor(%)

22/61(36.1%)

17/41(41.5%)

5/20(25.0%)

0.209

Rest tremor(%)

20/61(32.8%)

13/41(31.7%)

7/20(35.0%)

0.802

Isolated rest tremor

6/61(9.8%)

2/41(4.9%)

4/20(20.0%)

0.063

Posture tremor(%)

18/61(29.5%)

12/41(29.3%)

6/20(33.3%)

0.952

Orthostatic tremor

2/61(3.3%)

1/41(2.4%)

1/20(5.0%)

0.603

voice tremor

2/61(3.3%)

1/41(2.4%)

1/20(5.0%)

0.603

Head tremor

6/61(9.8%)

3/41(7.3%)

3/20(15%)

0.346

More than two types of tremor(%)

23/61(37.7%)

17/41(41.5%)

6/20(30.0%)

0.386

Ataxia (%)

52/64(81.3%)

35/44(79.6%)

17/20(85.0%)

0.604

Parkinsonism(%)

28/64(43.8%)

19/44(43.2%)

9/20(45.0%)

0.623

Cognitive impairement(%)

46/64(71.9%)

34/44(77.3%)

12/20(60.0%)

0.154

  1. a Median (interquartile range)
  2. b Quantitative data is compared by Mann-Whitney U test and categorical data is compared by Fisher exact test between male and female patients