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Table 1 Neurological status according to McCormick classification postoperatively significantly depending on the preoperative neurological condition (chi-square test, p = 0.001)

From: Management and outcome in adult intramedullary spinal cord tumours: a 20-year single institution experience

McCormick grade postoperative

McCormick grade preoperative

I

II

III

IV

(n = 11)

(n = 35)

(n = 15)

(n = 9)

I

7 (63,6%)

2 (5,7%)

0

0

II

3 (27,3%)

26 (74,3%)

2 (13,3%)

0

III

1 (9,1%)

5 (14,3%)

11 (73,3%)

1 (11,1%)

IV

0

2 (5,7%)

2 (13,3%)

8 (88,9%)