Table 5 Sensitivity to longitudinal change of the SN-5 questionnaire in the 1st and last visits

Q1

M(IQR)

3.12 ± 1.37

3(2–4)

2.05 ± 1.36

2(1–3)

1.06 ± 1.02

1(0–2)

1.04

Q2

M(IQR)

3.71 ± 1.30

4(3–5)

2.19 ± 1.1

2(1–3)

1.53 ± 1.22

2(0–2)

1.25

Q3

M(IQR)

3.34 ± 1.09

3(3–4)

2.11 ± 1.4

2(1–3)

1.23 ± 1.11

1(0–2)

1.11

Q4

M(IQR)

2.76 ± 1.17

3(2–3)

1.58 ± 1.18

1(1–2)

1.18 ± 1.11

1(0–2)

1.06

Q5

M(IQR)

2.17 ± 0.99

2(1–3)

1.2 ± 079

1(1–1)

0.97 ± 0.96

1(0–2)

1.01

Total score

M(IQR)

15.1 ± 3.97

15(12–18)

9.13 ± 4.6

8(5–13)

5.97 ± 4.59

8(0–10)

1.3