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Table 2 Cohort stratification

From: Resting-state functional-MRI in iNPH: can default mode and motor networks changes improve patient selection and outcome? Preliminary report

 

Group 1 (+/+)

Group 2 (+/−)

Group 3 (−/ +)

Group 4 (−/−)

No. of patients

8/32 (25%)

10/32 (31.25%)

6/32 (18.75%)

8/32 (25%)

Sex

Female

4 (50%)

9 (90%)

4 (66.7%)

4 (50%)

Male

4 (50%)

1 (10%)

2 (33.3%)

4 (50%)

Mean age

73.6 ± 9.3 (range 53–85)

71.2 ± 5.7 (range 56–77)

74.5 ± 3.0 (range 71–79)

77.0 ± 5.3 (range 67–86)

Symptoms duration (months)

18.3 ± 2.7 (range 12–24)

21.6 ± 7.3 (range 12–30)

23.2 ± 6.8 (range 12–30)

37.8 ± 5.4 (range 30–48)

mFI-11

4.7 ± 1.1 (range 1–6)

5.2 ± 1.7 (range 0–7)

5.3 ± 2.9 (range 2–8)

7.8 ± 2.1 (range 4–10)

Neuroradiological parameters

EI

0.39 ± 0.03 (range 0.33–0.45)

0.38 ± 0.05 (range 0.32–0.47)

0.36 ± 0.04 (range 0.30–0.43)

0.37 ± 0.04 (range 0.31–0.41)

CA

94.3° ± 24.1° (range 63°–130°)

95.0° ± 19.4° (range 65°–129°)

100.7° ± 19.4° (range 79°–130°)

96.9° ± 12.6° (range 79°–103°)

DESH

5 (62.5%)

8 (80%)

4 (66.7%)

2 (25%)

Infusion test

Rout

13.20 ± 1.00 (range 12.00–15.00)

13.39 ± 1.29 (range 12.00–16.00)

9.56 ± 1.79 (range 6.00–11.33)

8.98 ± 1.43 (range 6.67–11.33)

TUG

Pre-test value

22.56 ± 15.39 (range 13.0–61.0)

18.15 ± 15.75 (range 10.5–65.0)

17.33 ± 12.90 (range 10.0–46.0)

15.13 ± 3.77 (range 10.5–22.0)

Post-test value

18.81 ± 13.73 (range 9.5–54.0)

17.90 ± 15.87 (range 10.0–65.0)

12.67 ± 7.76 (range 9.0–30.0)

15.94 ± 4.68 (range 10.5–23.0)

Improvement (%)

17.47 ± 5.89 (range 10.71–26.20)

1.73 ± 6.97 (range −11.76–9.09)

22.21 ± 8.87 (range 10.00–34.78)

−4.73 ± 11.35 (range −25.71–8.33)

MN

Pre-test value

12.24 ± 2.92 (range 7.94–17.01)

9.96 ± 1.65 (range 7.37–13.33)

13.04 ± 2.27 (range 8.66–16.09)

11.92 ± 2.10 (range 7.45–13.96)

Post-test value

15.38 ± 1.87 (range 12.18–18.95)

12.97 ± 2.96 (range 8.06–17.38)

14.95 ± 2.40 (range 10.38–17.54)

10.73 ± 1.70 (range 8.06–13.56)

Improvement (%)

30.73 ± 26.46 (range 7.81–91.06)

30.16 ± 21.14 (range 2.94–66.63)

15.28 ± 9.21 (range 4.40–31.99)

−0.20 ± 31.25 (range −25.65–59.19)

DMN

Pre-test value

12.98 ± 3.97 (range 6.77–18.33)

14.24 ± 4.42 (range 9.78–26.31)

12.57 ± 2.29 (range 10.04–16.06)

14.30 ± 3.09 (range 10.40–18.56)

Post-test value

17.05 ± 2.67 (range 12.56–21.59)

18.31 ± 4.74 (range 14.02–30.81)

16.60 ± 1.59 (range 14.47–19.00)

13.44 ± 3.67 (range 7.54–18.59)

Improvement (%)

41.06 ± 39.92 (range 7.26–139.44)

32.56 ± 26.71 (range 2.57–86.07)

34.12 ± 11.34 (range 18.31–44.47)

−3.63 ± 30.71 (range -31.02–49.29)

Surgery

VPS implantation

8/8 (100%)

10/10 (100%)

6/6 (100%)

8/8 (100%)

Clinical Improvement

8/8 (100%)

10/10 (100%)

6/6 (100%)

2/8 (25%)

  1. CA, callosal angle; DESH, disproportionately enlarged subarachnoid-space hydrocephalus; DMN, default-mode network; EI, Evans’ index; mFI-11, modified-frailty index-11; MN, motor network; Rout, resistance to outflow; TUG, time up and go; VPS, ventriculoperitoneal shunt. No statistical significant difference between neuroradiological parameters before and after the test was recorded. For this reason, in this table, we report only basal values