Table 1.

Studies addressing independent prognostic significance of nocturnal blood pressure on all-cause mortality and/or cardiovascular mortality/morbidity

Primary author	Year	Source of publication	Country of primary author’s affiliation	Sample size	Study design
Ohkubo5,145	1997a	Am J Hypertens	Japan	1542	Prospective cohort
	2002	J Hypertens
Staessen6	1999	JAMA	Belgium	808	Prospective cohort
Dolan122	2005	Hypertension	Ireland	5292	Prospective cohort
Ben-Dov121	2007	Hypertension	Israel	3957	Prospective cohort
Fagard123	2008	Hypertension	Belgium	3468	Meta-analysis
Bjorklund146	2004	J Hypertens	Sweden	872	Prospective cohort
Kikuya124	2005	Hypertension	Japan	1332	Prospective cohort
Ingelsson147	2006	JAMA	Sweden	951	Prospective cohort
Sega148	2005	Circulation	Italy	2051	Prospective cohort
Boggia81	2007	Lancet	Uruguay	7458	Meta-analysis
Clement149	2003	N Engl J Med	Belgium	1963	Prospective cohort
Hansen150,151	2005	Hypertension	Denmark	1700	Prospective cohort
	2006	Am J Hypertens
Verdecchia152	1994	Hypertension	Italy	959	Prospective cohort
Brotman153	2008	Am J Hypertens	USA	621	Retrospective cohort

^aPilot analysis.