Variable | GS (n = 10) | IWHM (n = 18) | IWLM (n = 19) | Statistics |
---|---|---|---|---|
Frontal derivation | ||||
 Delta (1–4 Hz) | 46.47 ± 21.05 | 37.61 ± 15.30 | 46.65 ± 25.95 | F = 0.981, P = 0.383 |
 Theta (4–8 Hz | 2.90 [2.29, 4.22] | 3.23 [2.67, 3.99] | 4.91 [2.59, 5.83] | H = 3.481, P = 0.175 |
 Alpha (8–12 Hz) | 1.87 [1.16, 3.37] | 2.53 [1.55, 2.99] | 2.78 [1.97, 3.89] | H = 2.693, P = 0.260 |
 Sigma (12–16 Hz) | 0.80 [0.55, 1.27] | 1.09 [0.69, 1.56] | 1.40 [0.88, 1.76] | H = 4.137, P = 0.126 |
 Beta (16–32 Hz) | 0.71 [0.57, 0.99] | 1.08 [0.69, 1.80] | 1.06 [0.79, 1.50] | H = 4.062, P = 0.131 |
 Beta /Delta | 0.01 [0.01, 0.03] | 0.03 [0.02, 0.04] a | 0.03 [0.02, 0.04] | H = 6.904, P = 0.032 |
 Beta/Theta | 0.27 [0.17, 0.37] | 0.34 [0.23, 0.53] | 0.25 [0.18, 0.36] | H = 1.907, P = 0.385 |
 Alpha/Delta | 0.04 [0.03, 0.08] | 0.07 [0.04, 0.09] | 0.07 [0.05, 0.11] | H = 3.086, P = 0.214 |
 Alpha/Theta | 64.00 ± 16.43 | 76.60 ± 41.44 | 74.33 ± 30.73 | F = 0.487, P = 0.618 |
Central derivation | ||||
 Delta (1–4 Hz) | 37.99 ± 12.36 | 33.89 ± 19.01 | 46.48 ± 20.94 | F = 2.154, P = 0.128 |
 Theta (4–8 Hz | 4.77 [3.37, 4.99] | 4.11 [3.21, 4.63] | 4.93 [2.98, 8.85] | H = 2.872, P = 0.238 |
 Alpha (8–12 Hz) | 2.51 [1.66, 3.24] | 2.79 [1.89, 3.52] | 2.70 [1.83, 4.02] | H = 0.710, P = 0.701 |
 Sigma (12–16 Hz) | 1.43 [1.04, 1.84] | 1.66 [1.21, 2.76] | 1.75 [1.37, 2.51] | H = 2.625, P = 0.269 |
 Beta (16–32 Hz) | 0.81 [0.66, 1.25] | 1.29 [0.87, 1.62] | 1.16 [0.72, 1.65] | H = 2.139, P = 0.343 |
 Beta/Delta | 0.02 [0.02, 0.04] | 0.04 [0.02, 0.06] | 0.03 [0.02, 0.04] | H = 3.087, P = 0.214 |
 Beta/Theta | 0.18 [015, 0.31] | 0.28 [0.20, 0.43] | 0.20 [0.15, 0.35] | H = 2.385, P = 0.303 |
 Alpha/Delta | 0.07 [0.04, 0.09] | 0.08 [0.05, 0.14] | 0.06 [0.05, 0.09] | H = 2.632, P = 0.268 |
 Alpha/Theta | 0.57 [0.47, 0.66] | 0.58 [0.51, 0.92] | 0.52 [0.42, 0.75] | H = 1.774, P = 0.412 |