variable

seizure

P value

Yes(n=3)

No (n=17)

Female:male (n)

1:2

12:5

0.27

Age (yrs)

54

45.18

0.29

Weight (kg)

61

59.64

0.86

Previous seizure (n)

1

7

1

Size of tumor (ml)

133.67

66.61

0.12

Duration of preoperative Phenytoin (d)

3

15.32

0.48

Intraoperative PHT dose (mg/kg)

9.6

9.42

0.91

Blood loss (ml)

683.33

979.42

1

Operative time (min)

290

343.23

0.48

Crystalloid

2366.67

2908.83

0.36

Colloid

500

294.12

0.39

PHT level (mcg/ml)

Preoperative

12.88 ± 0.94

13.21 ± 5.03

0.91

Intraoperative

20.49 ± 16.97

11.97 ± 5.43

0.42

Postoperative

19.71 ± 1.62

19.49 ± 7.92

0.92