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Table 2 Improvements in OHSA Item 1 scores from randomization to weeks 1, 2, and 4

From: Analysis of number needed to treat for droxidopa in patients with symptomatic neurogenic orthostatic hypotension

Improvement, n (%)

NOH301

NOH302

NOH306

Pooled

Droxidopa (n = 82)

Placebo (n = 80)

P value*

Droxidopa (n = 50)

Placebo (n = 51)

P value*

Droxidopa (n = 92)

Placebo (n = 105)

P value*

Droxidopa (n = 174)

Placebo (n = 185)

P value*

Week 1

  ≥ 2 units

53 (64.6)

33 (41.3)

0.004

61 (66.3)

46 (43.8)

0.002

114 (65.5)

79 (42.7)

<0.001

  ≥ 50 %

45 (54.9)

28 (35.0)

0.017

51 (55.4)

37 (35.2)

0.006

96 (55.2)

65 (35.1)

<0.001

Week 2

  ≥ 2 units

36 (72.0)

29 (56.9)

NS

49 (53.3)

47 (44.8)

NS

85 (59.9)

76 (48.7)

NS

  ≥ 50 %

28 (56.0)

23 (45.1)

NS

38 (41.3)

38 (36.2)

NS

66 (46.5)

61 (39.1)

NS

Week 4

  ≥ 2 units

51 (55.4)

46 (43.8)

NS

  ≥ 50 %

44 (47.8)

32 (30.5)

0.025

Week 8

  ≥ 2 units

51 (55.4)

45 (42.9)

NS

  ≥ 50 %

47 (51.1)

35 (33.3)

0.023

  1. NS not significant, OHSA Orthostatic Hypotension Symptom Assessment
  2. *P value from the Fisher exact test