Table 3.

BP variability, instability, and mean levels of BP at baseline and 6 months after ablation.

	Systolic BP			Diastolic BP
	Before renal denervation	6 months follow-up	p-Value	Before renal denervation	6 months follow-up	p-Value
BP VARIABILITY AND INSTABILITY (ABPM)
Standard deviation, mmHg
24 h	16.9 ± 4.6	13.5 ± 2.5	0.003	11.2 ± 2.9	8.6 ± 1.9	0.007
Daytime (10 AM–8 PM)	15.1 ± 4.1	11.7 ± 2.1	0.005	10.7 ± 3.5	7.5 ± 1.3	0.010
Night-time (12 AM–6 AM)	12.7 ± 6.1	10.0 ± 4.4	0.365	9.1 ± 3.8	7.5 ± 3.1	0.175
Coefficient of variation	0.11 ± 0.03	0.09 ± 0.02	0.041	0.14 ± 0.03	0.11 ± 0.02	0.024
Maximum (24 h), mmHg	190 ± 22	172 ± 20	<0.001	112 ± 25	98 ± 18	0.043
Δmax of consecutive readings (24 h), mmHg	40 ± 15	28 ± 7	0.006	37 ± 11	20 ± 5	0.011
Maximum increase from 4 AM to 10 AM, mmHg	53 ± 19	40 ± 17	0.058	32 ± 20	25 ± 11	0.035
MEAN LEVELS (OFFICE AND ABPM)
Office BP, mmHg	189 ± 23	158 ± 24	0.007	92 ± 15	88 ± 17	0.648
Mean ABPM, mmHg
24 h	149 ± 19	142 ± 18	0.086	82 ± 17	79 ± 15	0.167
Daytime (10 AM–8 PM)	155 ± 22	145 ± 22	0.083	85 ± 17	81 ± 16	0.206
Night-time (12 AM–6 AM)	137 ± 17	136 ± 16	0.966	74 ± 15	74 ± 14	0.781

ABPM, ambulatory blood pressure monitoring; BP, blood pressure.