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. 2022 Aug 26;12(8):e060304. doi: 10.1136/bmjopen-2021-060304

Table 3.

Trend on blood pressure from visit 1 to visit 3 based on the average of two measurements

Parameter Value All patients (screening visit) Patients with 2 visits patients with 3 visits
Visit 1 Visit 2 Visit 1 Visit 3
Systolic BP (mm Hg) Valid values 420 230 230 98 98
Mean (±SD) 159.9 (23.3) 160.3 (20.7) 143.2 (20.6) 162.1 (21.4) 139.3 (19.1)
Range 90–270 90–220 99–218 90–220 80–180
Values>140 (%) 77.6% 79.6 43% 83.7 32.3%
Values>180 (%) 15.0% 14.8 3.9% 16.3
Diastolic BP (mm Hg) Valid values 420 230 230 98 98
Mean (±SD) 96.0 (14.3) 95.3 (13.5) 85.5 (12.3) 93.8 (15.3) 81.7 (11.1)
Range 50–174 50–152 80–130 50–152 50–120
Values>90 (%) 60.7% 59.1 22.6% 53.1 13.3%
Values>110 (%) 10.2% 7.8 3.9% 9.2 1.0%

BP, blood pressure.