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Table 1 Clinical characteristics of the patients

From: Orthostatic intolerance symptoms are associated with depression and diminished quality of life in patients with postural tachycardia syndrome

OIQ Total Score

Gender, F(%)

Age

Height (cm)

Weight (kg)

BMI

Max HR Increment

BDI-II

PCS

MCS

Total (n = 107)

67 (62.6%)

31.1 ± 1.3

166.3 ± 0.9

62.2 ± 1.3

22.3 ± 0.3

42.8 ± 1.2

14.8 ± 0.8

43.4 ± 0.8

39.9 ± 1.1

 0–4 (n = 16)

7 (43.8%)

23.6 ± 3.0

169.2 ± 2.3

63.7 ± 2.8

22.2 ± 0.7

46.4 ± 3.0

7.4 ± 1.0

49.6 ± 2.2

46.9 ± 2.6

 5–9 (n = 15)

9 (60%)

30.5 ± 2.4

168.8 ± 2.6

65.4 ± 3.9

22.7 ± 0.9

38.9 ± 3.0

10.2 ± 1.6

49.0 ± 1.7

45.4 ± 2.1

 10–14 (n = 21)

13 (61.9%)

34.7 ± 4.0

168.5 ± 2.5

64.2 ± 3.6

22.4 ± 0.8

45.9 ± 2.9

13.3 ± 1.9

42.4 ± 1.3

41.0 ± 2.1

 15–19 (n = 25)

16 (64%)

32.2 ± 2.3

165.2 ± 1.9

62.2 ± 3.1

22.6 ± 0.8

43.2 ± 2.8

17.2 ± 1.6

42.2 ± 1.3

38.8 ± 1.8

 20–24 (n = 17)

14 (82.4%)

33.1 ± 2.3

161.5 ± 1.6

58.4 ± 2.4

22.4 ± 0.8

37.2 ± 1.5

19.1 ± 2.0

40.7 ± 1.5

35.9 ± 1.9

 25–29 (n = 4)

4 (100%)

25.3 ± 3.2

160.1 ± 4.5

55.2 ± 4.9

21.4 ± 1.1

42.0 ± 4.6

21.8 ± 2.8

39.3 ± 3.7

29.7 ± 2.0

 30–34 (n = 6)

3 (50%)

32.5 ± 6.3

167.8 ± 3.6

60.7 ± 4.3

21.5 ± 1.2

47.7 ± 3.9

21.5 ± 3.5

36.9 ± 2.2

30.1 ± 8.3

 35–39 (n = 3)

1 (33.3%)

33.7 ± 8.8

164.9 ± 4.2

57.1 ± 5.4

20.9 ± 1.2

40.0 ± 6.2

21.0 ± 4.9

32.3 ± 6.7

33.5 ± 10.1

  P value (Kruskall-Wallis)

 

0.047

0.211

0.81

0.984

0.1

<0.001*

<0.001*

<0.001*

  1. The values are the mean ± SEM. The Kruskal-Wallis test was performed to compare the mean among the subgroups
  2. Abbreviations: OIQ orthostatic intolerance questionnaire, F female, BMI body-mass index, HR heart rate, BDI-II Beck depression inventory-II, PCS physical component summary scale of Short Form 36, MCS mental component summary scale of Short Form 36
  3. * p < 0.01