Table 1.

Current definitions of WCH according to major hypertension guidelines

Guideline	Common term for defining WCH	Current definition	Unclear points
Europe4	White‐coat (or isolated office) hypertension	Untreated individuals with elevated office BP (≥ 140/90 mm Hg), 24‐h BP < 130/80 mm Hg, awake BP < 135/85 mm Hg, and sleep BP < 120/70 mm Hg	The term white‐coat effect is used in both treated and untreated individuals
United States5	WCH	Untreated individuals with office BP ≥ 130/80 mm Hg but <160/100 mm Hg and daytime BP < 130/80 mm Hg	In treated individuals the term white‐coat effect is used
Canada6	WCH	Untreated individuals with elevated office BP (≥ 140/90 mm Hg), 24‐h BP < 130/80 mm Hg, and awake BP < 135/85 mm Hg	Nighttime BP not included in the categorization. No mention of treated individuals
United Kingdom7	WCH	Elevated clinic BP (≥140/90 mm Hg) and daytime BP < 135/85 mm Hg	The term white‐coat effect is used in both treated and untreated individuals
Latin America8	WCH	Patients with hypertensive values in the office and normal values with ABPM	No mention of which period of the 24 h is suitable for categorization
Australia9	White‐coat (or isolated clinic) hypertension	Untreated individuals with elevated office BP (≥ 140/90 mm Hg) and daytime BP < 135/85 mm Hg	No mention of treated patients
Japan10	WCH	Untreated individuals with elevated office BP (≥ 140/90 mm Hg) and 24‐h BP < 130/80 mm Hg	The condition is defined as WCH under treatment in patients receiving treatment

ABPM, ambulatory blood pressure monitoring; BP, blood pressure; WCH, white‐coat hypertension.