Table 3 Blood pressure characteristics

Pre-dialysis office BP (mmHg), median (IQR)

 Systolic

127 (120–134)

125 (120–130)

127 (120–134)

 Diastolic

80 (74–83)

80 (76–84)

80 (74–84)

Ambulatory BP (mmHg), median (IQR)

 Daytime mean, systolic

147.9 (139.0–160.6)

116.1 (108.7–121.9)

142.6 (132.8–155.7)

 Daytime mean, diastolic

86.4 (78.1–96.5)

69.6 (66.0–75.9)

83.8 (74.3–94.0)

 Night-time mean, systolic

155.0 (145.4–166.4)

111.5 (106.4–112.4)

149.8 (136.4–164.9)

 Night-time mean, diastolic

90.0 (80.0–100.4)

67.6 (62.2–69.2)

84.6 (76.3–99.2)

 24-hour mean, systolic

150.0 (142.3–164.2)

115.1 (109.8– 119.1)

147.6 (135.3–157.4)

 24-hour mean, diastolic

89.5 (78.1–97.7)

68.8 (66.4–74.3)

84.3 (75.9–94.5)

Uncontrolled hypertension, n (%)^a

 Daytime^b

77 (90.6%)

0 (0%)

77 (74.0%)

 Night-time^c

85 (100%)

0 (0%)

85 (81.7%)

 24-hour^d

84 (98.8%)

0 (0%)

84 (80.8%)

Dipping of BP, n (%)^{a, e}

 Extreme dipper

0 (0.0)

1 (5.3)

1 (1.0)

 Dipper

0 (0.0)

1 (5.3)

1 (1.0)

 Non-dipper

29 (34.1)

11 (57.9)

40 (38.5)

 Reverse dipper

56 (65.9)

6 (31.6)

62 (59.6)