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Table 3 Baseline to peak amplitudes of the different components of the respiratory-related evoked potentials (RREPs) in the controls and the patients with asthma, cystic fibrosis, neuromuscular diseases.

From: Impaired cortical processing of inspiratory loads in children with chronic respiratory defects

RREPs component amplitudes (μV)

Controls n = 11

P (controls vs pooled patients)

Patients with asthma n = 21

Patients with cystic fibrosis n = 32

Patients with neuromuscular diseases n = 16

P (between the patient groups)

P1 (Cz-C3)

3.07 ± 2.07

NS

0.94 ± 0.61

1.54 ± 1.11

1.81 ± 1.28

NS

P1 (Cz-C4)

3.07 ± 2.07

NS

1.12 ± 0.72

1.25 ± 0.85

1.21 ± 0.72

NS

N1 (Cz-C3)

5.46 ± 3.84

0.03

2.21 ± 1.48

3.00 ± 2.51

3.83 ± 2.39

NS

N1 (Cz-C4)

5.46 ± 3.84

0.02

2.02 ± 1.13

2.97 ± 2.28

3.21 ± 1.90

NS

P2 (Cz-C3)

2.15 ± 1.57

NS

1.25 ± 1.42

2.10 ± 1.54

3.00 ± 1.90

NS

P2 (Cz-C4)

2.15 ± 1.57

NS

1.54 ± 1.21

1.81 ± 1.14

1.33 ± 0.82

NS

N2 (Cz-C3)

2.39 ± 1.42

NS

1.11 ± 0.75

1.64 ± 0.87

2.75 ± 2.05

NS

N2 (Cz-C4)

2.39 ± 1.42

NS

2.17 ± 1.53

1.75 ± 1.11

2.91 ± 2.36

NS

  1. Data are presented as mean ± DS. The controls were compared to the pooled patients using the Student t test or Chi-squared test where appropriate Comparison between the 3 patient groups was made using the Kruskal Wallis rank sum test.