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. 2024 May 30;14(6):556. doi: 10.3390/brainsci14060556

Table 4.

The mean value (pre- and post-rTMS sessions) of polysomnography parameters (part II) among the studied groups.

Baseline Assessment Follow Up 10 Days after Sessions [% of Improvement] Wilcoxon Measure Analysis Effect Size Friedman Measure Analysis Time × Group Interaction
Desaturation index [normal ODI < 5 events/hour]
Sham group (n = 8)
Median (IQR)
4.94 ± 3.58
5.7(7.3)
5.4 ± 3.94
5.7(9.4)
Z = −1.34, p = 0.18 [1.076] a p = 0.225
Real group (n = 16)
Median (IQR)
6.67 ± 4.84
5.9(9.1)
4.89 ± 3.12
5.7(5.57)
Z = −1.534, p = 0.125 [0.83] a
Mann–Whitney at each time of assessment Z = −0.637, p = 0.524 Z = −0.062, p = 0.951
Average oxygen saturation SpO2
Sham group (n = 8)
Median (IQR)
93.43 ± 1.81
94(3)
91.85 ± 3.33
92(3)
Z = −1,
p = 0.317
[0.756] a p = 0.405
Real group (n = 16)
Median (IQR)
92.93 ± 2.58
94(2)
94.21 ± 2.11
94.5(3.5)
Z = −0.998, p = 0.318 [0.515] a
Mann–Whitney at each time of assessment Z = −0.032, p = 0.975 Z = −1.802, p = 0.071
Arousal index (/h) (normal: <five events/hour)
Sham group (n = 8)
Median (IQR)
12.74 ± 14.24
5(16.7)
12.23 ± 12.5
6(13)
Z = −0.105, p = 0.917 [0.074] a p = 0.033 *
Real group (n = 16)
Median (IQR)
9.95 ± 7.11
9.9(10.63)
8.11 ± 6.51
6.7(11)
Z = −2.94, p = 0.003 * [2.168] a
Mann–Whitney at each time of assessment Z = −0.429, p = 0.668 Z = −0.460,
p = 0.645
Periodic leg movement index (PLM index) (/h) [normal = PLM index = <five events/hour]
Sham group (n = 8)
Median (IQR)
8.42 ± 8.34
4.38(14.95)
7.87 ± 8.14
3(16)
Z = −1.214, p = 0.225 [0.95] a p = 0.001 *
Real group (n = 16)
Median (IQR)
6.75 ± 6.43
4.39(9.5)
2.08 ± 3.09
1.56(2.26)
Z = −2.97, p = 0.003* [2.217] a
Mann–Whitney at each time of assessment Z = −0.553, p = 0.580 Z = −2.112, p = 0.035 *
Apnea, hypopnea index per hour AHI/h [normal: AHI < five events/hour]
Sham group (n = 8)
Median (IQR)
8.24 ± 4.34
5.13(7.4)
9.23 ± 5.63
5.13(11.23)
Z = −1.604, p = 0.109 [1.377] a p = 0.134
Real group (n = 16)
Median (IQR)
8.09 ± 5.36
8.84(9.8)
4.01 ± 1.95
4.77(1.8)
Z = −2.553, p = 0.011 * [1.658] a
Mann–Whitney at each time of assessment Z = −0.226, p = 0.821 Z = −2.34, p = 0.019 *

a Cohen’s d coefficient, * significant p value, IQR; interquartile range.