Table 2 Pre- and postoperative values and differences in iNPH scale scores for CSF TT responders and non-responders

Gait domain scores

 Preop

47.5 ± 19.5

39.5 ± 26.2

0.031^c

42.4 ± 20.8

46.6 ± 23.6

NS^a

 Postop

71.2 ± 23.7

49.2 ± 24.4

 < 0.001^a

64.9 ± 23.7

61.4 ± 27.9

NS^a

 Diff. preop-postop

23.7 ± 20.4

 < 0.001^a

9.7 ± 16.8

0.001^a

 < 0.001^c

22.5 ± 21.0

 < 0.001^a

14.9 ± 18.5

 < 0.001^a

NS^c

10 m (steps, n)^d

 Preop

25.6 ± 14.0

32.4 ± 21.3

0.039^c

29.1 ± 20.6

27.1 ± 14.2

NS^c

 Postop

19.5 ± 5.2

23.0 ± 5.9

 < 0.001^c

19.7 ± 4.5

20.9 ± 6.3

NS^c

 Diff. preop-postop

6.6 ± 13.2

n = 73

 < 0.001^b

9.4 ± 20.0

n = 40

 < 0.001^b

NS^c

9.2 ± 20.0

n = 49

 < 0.001^b

6.2 ± 12.0

n = 63

 < 0.001^b

NS^c

10 m (time, sec)^d

 Preop

15.1 ± 6.1

22.0 ± 18.4

NS^c

17.4 ± 10.9

17.6 ± 13.6

NS^c

 Postop

10.7 ± 4.0

13.9 ± 5.2

 < 0.001^c

11.3 ± 3.6

12.3 ± 5.4

NS^c

 Diff. preop-postop

4.3 ± 5.1

n = 73

 < 0.001^b

8.1 ± 16.5

n = 40

 < 0.001^b

NS^c

6.0 ± 10.0

n = 49

 < 0.001^b

5.3 ± 11.4

n = 63

 < 0.001^b

NS^c

Ordinal gait scale scores^d

 Preop

3 (1–7)

3.5 (3–6)

0.011^c

3 (2–7)

3 (1–8)

NS^c

 Postop

2 (1–4)

3 (2–4)

 < 0.001^c

2 (1–4)

2 (1–8)

NS^c

 Diff. preop-postop

1 (1–6)

 < 0.001^b

0 (1–4)

 < 0.001^b

NS^c

1 (− 1–6)

 < 0.001^b

1 (− 1–3)

 < 0.001^b

NS^c

Balance domain scores

 Preop

65.9 ± 16.4

55.3 ± 23.2

0.006^c

52.2 ± 19.2

70.2 ± 16.5

 < 0.001^c

 Postop

76.2 ± 12.6

65.7 ± 17.8

 < 0.001^c

72.0 ± 14.2

72.8 ± 16.6

NS^c

 Diff. preop-postop

10.3 ± 18.6

 < 0.00^b

10.4 ± 20.6

0.002^b

NS ^c

19.8 ± 22.4

 < 0.001^b

2.6 ± 12.0

NS^b

 < 0.00^c

NP domain scores

 Preop

55.0 ± 18.4

42.5 ± 23.4

0.006^a

51.7 ± 21.8

50.0 ± 20.6

NS^a

 Postop

60.1 ± 19.5

48.6 ± 22.8

0.008^a

57.8 ± 21.7

54.9 ± 21.4

NS^a

 Diff. preop-postop

4.9 ± 11.3

n = 69

0.001^a

4.5 ± 12.6

n = 37

0.037^a

NS^c

4.6 ± 12.6

n = 43

0.006^a

4.6 ± 12.6

n = 60

0.007^a

NS^c

Continence domain scores

 Preop

60.7 ± 27.0

55.5 ± 25.8

NS^c

60.9 ± 23.9

57.7 ± 28.5

NS^c

 Postop

71.6 ± 26.2

71.0 ± 27.0

NS^c

74.1 ± 23.3

0.001^b

58.9 ± 28.4

NS^c

 Diff. preop-postop

12.1 ± 27.4

n = 70

 < 0.00^b

15.3 ± 27.7

n = 38

0.002^b

NS^c

14.4 ± 25.9

n = 45

11.6 ± 28.3

n = 61

0.003^b

NS^c

Total iNPH scale scores

 Preop

55.2 ± 13.3

45.7 ± 20.6

0.010 ^a

48.9 ± 16.3

54.3 ± 17.0

NS^a

 Postop

70.3 ± 16.5

55.4 ± 16.7

 < 0.001^a

65.8 ± 16.4

63.9 ± 19.3

NS^a

 Diff. preop-posto

15.1 ± 14.5

 < 0.001^a

9.6 ± 11.9

 < 0.001^a

 < 0.001^c

16.8 ± 15.0

 < 0.001^a

9.7 ± 11.3

 < 0.001^a

0.012^c