Brain Oscillations Elicited by the Cold Pressor Test: A Putative Index of Untreated Essential Hypertension

Table 3

		Pretest		Stress unit		Tolerance		Posttest		Interaction
		Mean	SD	Mean	SD	Mean	SD	Mean	SD
Delta F3
Controls	18	42.21	4.18	42.32	3.88	40.76	3.49	42.13	3.89	,
Hypertensives	22	44.14	7.32	43.88	7.27	45.46	6.39	44.67	6.76
Delta O2
Controls	18	38.74	6.83	37.73	7.29	36.94	6.55	36.77	7.34	,
Hypertensives	22	42.59	8.31	41.90	8.86	44.13	7.04	41.89	7.73
Delta P8
Controls	18	42.05	8.11	41.95	8.12	40.58	6.98	41.58	7.46	,
Hypertensives	22	44.48	9.63	44.24	8.93	46.54	7.16	44.14	8.44
Delta F8
Controls	18	47.09	3.87	47.15	3.76	47.10	3.64	44.78	3.18	,
Hypertensives	22	47.62	7.40	47.77	7.24	47.97	7.09	48.57	6.98
Delta AF4
Controls	18	44.71	5.63	44.64	6.03	43.66	5.63	43.05	4.71	,
Hypertensives	22	47.19	8.40	47.11	8.30	48.24	7.19	47.78	8.19