Table 2. Change in ambulatory and office blood pressure at 2 and 6 months.

	Pre-crossover baseline*	2 months*	Change from pre-crossover baseline to 2M	p-value*	Pre-crossover baseline#	6 months#	Change from pre-crossover baseline to 6M	p-value
Daytime ABP, mmHg	n=33	n=33			n=27	n=27
SBP	144.1±10.1	132.8±14.5	–11.2±13.7	<0.001	144.6±11.0	133.8±16.5	–10.8±17.3	0.002
DBP	89.9±8.4	82.9±9.5	–7.1±8.9	<0.001	90.4±8.7	82.6±8.8	–7.8±11.6	<0.001
24-hour ABP, mmHg	n=33	n=33			n=27	n=27
SBP	137.6±11.2	126.5±14.6	–11.1±13.3	<0.001	138.9±11.7	128.6±15.6	–10.2±16.0	<0.001
DBP	85.2±8.7	78.0±9.1	–7.3±8.6	<0.001	86.1±8.9	78.5±8.0	–7.6±10.8	<0.001
Night-time ABP, mmHg	n=33	n=33			n=27	n=27
SBP	127.4±15.3	116.6±16.4	–10.9±14.1	<0.001	129.9±15.3	120.5±16.2	–9.3±15.6	0.003
DBP	77.7±10.6	70.4±10.0	–7.2±9.4	<0.001	79.2±10.3	72.1±9.0	–7.1±10.6	<0.001
Office BP, mmHg	n=31	n=31			n=26	n=26
SBP	146.4±18.3	139.9±17.5	–6.5±18.0	0.025	145.6±20.9	142.1±20.0	–3.5±1 9.4	0.393
DBP	94.6±10.4	89.4±11.1	–5.3±10.3	0.003	94.7±10.4	91.6±10.7	–3.1±10.8	0.170
Data displayed as mean±SD. p-value for change from baseline is from signed-rank test. *Matched 2-month data. #Matched 6-month data. ABP: ambulatory blood pressure; BP: blood pressure; DBP: diastolic blood pressure; SBP: systolic blood pressure