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Egyptian Journal of Neurosurgery

Table 1 Percentage of volume reduction according to Knosp grade in each group

From: Surgical outcome of non-functioning pituitary adenomas: a comparative study between microscopic and endoscopic techniques

Knosp grade

Group 1: microscopic

Group 2: endoscopic

N

% volume reduction

N

% volume reduction

0

4

88

6

83.4

1

11

92.3

5

92.9

2

2

92.8

7

86.5

3

4

77.4

11

89

4

4

49.2

4

98

Total

25

82.4

33

89.1

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