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Table 1 Parameter ranges for various risk levels

From: Performance analysis of wavelet transforms and morphological operator-based classification of epilepsy risk levels

Normalized parameters

Risk levels

Normal

Low

Medium

High

Very high

Energy

0 to 1

0.7 to 3.6

2.9 to 8.2

7.6 to 11

9.2 to 30

Variance

0 to 0.3

0.15 to 0.45

0.4 to 2.2

1.6 to 4.3

3.8 to 10

Peaks

0 to 2

1 to 4

3 to 8

6 to 16

12 to 20

Events

0 to 2

1 to 5

4 to 10

7 to 16

15 to 28

Sharp waves

0 to 2

1 to 5

4 to 8

7 to 11

10 to 12

Average duration

0 to 0.3

0.15 to 0.45

0.4 to 2.4

1.8 to 4.6

3.6 to 10

Covariance

0 to 0.05

0.025 to 0.1

0.09 to 0.4

0.28 to 0.64

0.54 to 1