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Table 3 NNH for frequently occurring TEAEs (>5 %) in patients treated with droxidopa during randomized treatment

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

TEAE

NOH301/302

NOH306

Pooled

Droxidopa (n = 131)

Placebo (n = 132)

Droxidopa (n = 114)

Placebo (n = 108)

Droxidopa (n = 245)

Placebo (n = 240)

Headache, n (%)

8 (6.1)

4 (3.0)

15 (13.2)

8 (7.4)

23 (9.4)

12 (5.0)

 NNH (95 % CI)

33 (NS)

 

18 (NS)

 

23 (NS)

 

Dizziness, n (%)

5 (3.8)

2 (1.5)

11 (9.6)

5 (4.6)

16 (6.5)

7 (2.9)

 NNH (95 % CI)

44 (NS)

 

20 (NS)

 

28 (NS)

 

Nausea, n (%)

2 (1.5)

2 (1.5)

10 (8.8)

5 (4.6)

12 (4.9)

7 (2.9)

 NNH (95 % CI)

8647 (NS)

 

20 (NS)

 

51 (NS)

 

Fatigue, n (%)

2 (1.5)

3 (2.3)

8 (7.0)

6 (5.6)

10 (4.1)

9 (3.8)

 NNH (95 % CI)

–135 (NS)

 

69 (NS)

 

302 (NS)

 

Hypertension, n (%)

2 (1.5)

0

8 (7.0)

1 (0.9)

10 (4.1)

1 (0.4)

 NNH (95 % CI)

66 (NS)

 

17 (NS)

 

28 (15.9–94.6)

 
  1. NNH number needed to harm, NS not significant due to boundaries that include 0, TEAE treatment-emergent adverse event