Table 3 Baseline descriptive statistics and Kruskal–Wallis tests for groups based on diagnosis at baseline and follow-up

n (female%)

12 (33%)

8 (63%)

82 (57%)

2.63

0.266

Md (IQR)

Md (IQR)

Md (IQR)

H (2)

Age yrs

78 (72–83)

79 (73–81)

72 (70–76)

8.33

0.016

Education yrs

9 (7–10)

11 (8–17)

10 (7–12)

2.13

0.345

MMSE

29 (26–29)

29 (27–30)

28 (27–30)

0.16

0.923

mRS

2 (1–2) a

1 (1–2)

1 (0–1)

10.51

0.005

iNPH Radscale

5 (3–6) a

2 (1–3)

2 (1–3)

20.84

< 0.001

iNPH Total symptom

75 (67–81) a

86 (74–88)

91 (80–95)

13.40

0.001

iNPH Domain

 Neuropsychology

71 (59–79) a

84 (63–97)

83 (78–93)

10.80

0.005

 Gait

77 (71–89) a

94 (88–97)

95 (86–100)

8.57

0.014

 Balance

83 (67–83)

83 (83–100)

83 (83–100)

5.37

0.068

 Continence

60 (40–80) a

60 (60–95)

100 (60–100)

9.54

0.008

Memory

 RAVLT Immediate

26 (19–30) a

34 (28–42) b

34 (27–38)

9.35

0.009

Executive function

 Stroop Color

81 (63–86)

65 (62–87)

69 (61–81)

2.09

0.352

 Stroop Interference

153 (133–227)

135 (118–219)

139 (115–159)

3.47

0.176

Motor function

 10-m time sec

10 (9–10)

9 (8–9)

9 (7–10)

5.20

0.074

 10-m steps

17 (16–18)

16 (14–17)

15 (14–17)

4.91

0.086

 GPT sec

94 (86–115) a

91 (71–115)

80 (68–91)

8.21

0.016