Table 3.

The descriptive statistics and Mann–Whitney–Wilcoxon test results for averages of ERD of Alpha, Beta, and ERS of Theta for TP9, TP10, AF7, and AF8 with baseline near between 1 and 2 back.

Measure	N Back	N	Mean	SD	Median	W*	p-value
Theta_ERS_TP9_near	1	415	0.5103788	2.3437866	0.1606055	81,290	0.05664
	2	424	0.3624826	0.8789823	0.1961127
Theta_ERS_AF7_near	1	442	1.479168	7.528482	0.3261652	102,550	0.1951
	2	488	40.222121	858.424241	0.3993164
Theta_ERS_AF8_near	1	463	256.550957	4473.14064	0.4962916	107,560	0.7199
	2	471	1.656752	6.897568	0.4979768
Theta_ERS_TP10_near	1	402	0.1968689	0.2983741	0.1055942	76,520	0.1935
	2	402	0.4827313	2.7181894	0.1440152
Alpha_ERD_TP9_near	1	407	−0.2429342	0.6022346	−0.0708803	94,305	0.07823
	2	433	−1.0891115	16.1080866	−0.0994483
Alpha_ERD_AF7_near	1	417	−0.4870307	1.31401	−0.1177238	89,413	0.03469**
	2	395	−4.1949784	63.64311	−0.1726443
Alpha_ERD_AF8_near	1	422	−1.305807	7.191686	−0.1905496	91,227	0.9368
	2	431	−7.442734	122.014022	−0.2087486
Alpha_ERD_TP10_near	1	382	−0.3358805	1.1701908	−0.0741198	75,913	0.6915
	2	391	−0.2689888	0.5359719	−0.0839877
Beta_ERD_TP9_near	1	424	−0.0948762	0.1298309	−0.053213	94,695	0.04122**
	2	413	−0.1438368	0.3410383	−0.0645524
Beta_ERD_AF7_near	1	398	−0.4218005	1.783285	−0.0801937	86,126	0.8545
	2	436	−0.6272942	3.536376	−0.0829866
Beta_ERD_AF8_near	1	431	−0.1898465	0.3919714	−0.0811931	99,618	0.1104
	2	435	−0.2896695	0.7094699	−0.1054581
Beta_ERD_TP10_near	1	259	−0.1434616	0.2283444	−0.0740742	36,067	0.2439
	2	263	−0.1571087	0.1960775	−0.0797461

^*W-Value is the sum of the ranks of the first sample. The bold values are p values smaller than 0.01, so they are statistically significantly.

^**P = 0.01.