Table 3 Results of the pre- and postoperative neurocognitive testing within each group

DemTect (points)

16 (12–18)

14 (10–18)

< 0.003*

17 (13–18)

18 (11–18)

1.0

RBMT (points)

35 (13–52)

32 (18–66)

0.455

38 (19–56)

42 (16–58)

0.079

ZVT (min)

1.7 (1.2–2.8)

1.5 (1.0–2.1)

< 0.001*

1.7 (1.0–2.3)

1.6 (1.0–2.3)

0.001*

TMT (min)

1.4 (0.9–3.0)

1.3 (0.7–2.1)

0.054

1.5 (0.9–2.7)

1.3 (1.0–3.3)

0.174

Digit Span Forwards (points)

8 (5–11)

8 (4–12)

0.925

8 (5–12)

8 (6–12)

0.498

Digit Span Backwards (points)

6 (3–10)

7 (5–10)

0.003*

6 (3–12)

6 (3–12)

0.245

Digit Span Total (points)

14 (8–21)

15 (10–21)

0.057

14 (10–24)

15 (9–24)

0.617

FWIT (sec)

26.1 (19.1–66.1)

25.7 (19.4–47.1)

0.223

30.2 (16.5–50.2)

30.1 (15.4–45.0)

0.192

SKT Attention (points)

0 (0–1)

2 (0–5)

< 0.001*

0 (0–2)

1 (0–4)

< 0.001*

SKT Memory (points)

1 (0–3)

1 (0–5)

0.817

1 (0–6)

1 (0–4)

0.074

SKT Total (points)

1 (0–4)

3 (1–7)

< 0.001*

1 (0–6)

3 (0–6)

< 0.001*