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. Author manuscript; available in PMC: 2013 Aug 27.
Published in final edited form as: Hypertension. 2010 May 24;56(1):68–74. doi: 10.1161/HYPERTENSIONAHA.109.148791

Table 2.

Hypertensive Periods

Variable Value
Total periods, n 10,447
Length, months, mean (± SD) 14.1 (± 14.0)
Initial blood pressure, mm Hg, mean (± SD)
 Systolic 141.4 (± 13.6)
 Diastolic 79.3 (± 10.7)
Maximum blood pressure, mm Hg, mean (± SD)
 Systolic 148.7 (± 17.2)
 Diastolic 84.1 (± 10.8)
Periods ending in normal blood pressure, n (%) 8,423 (80.6%)
Encounter interval, months, mean (± SD) 3.7 (± 4.1)