Table 3 Ambulatory blood pressure of African men across quartiles of albumin-to-creatinine ratio

From: Arterial stiffness, ambulatory blood pressure and low-grade albuminuria in non-diabetic African and Caucasian men: the SABPA study

 

Quartiles of the distribution of albumin-to-creatinine ratio

P-values

Characteristics

Low

Mediumlow

Mediumhigh

High

For trend

For low vs. high

Limits of quartiles (mg mmol−1)

<0.58

0.58 to <0.84

0.84 to >1.09

1.09

  

Means (mg mmol−1)

0.39 (0.17–0.58)

0.71 (0.59–0.84)

0.96 (0.85–1.09)

1.53 (1.10–3.22)

  

Number

18

17

18

17

  

Age (years)

41.7±8.4

40.4±7.6

43.9±6.1

40.7±9.8

0.56

0.72

Daytime

      

 Systolic blood pressure (mm Hg)

138.4±13.1

140.1±13.2

136.2±13.3

143.5±13.2

0.44

0.26

 Diastolic blood pressure (mm Hg)

91.4±9.3

91.9±9.4

89.5±9.4

92.0±9.3

0.86

0.86

 Mean arterial pressure (mm Hg)

107.1±10.1

108.0±10.2

105.1±10.3

109.2±10.2

0.70

0.55

Night time

      

 Systolic blood pressure (mm Hg)

120.1±13.8

126.5±13.9

120.6±13.9

133.1±13.8

0.025

0.007

 Diastolic blood pressure (mm Hg)

72.3±9.8

77.2±9.8

73.9±9.9

80.0±9.8

0.10

0.022

 Mean arterial pressure (mm Hg)

88.2±10.6

93.6±10.6

89.5±10.7

97.7±10.6

0.045

0.010

Arterial stiffness

 Pulse wave velocity (m s−1)

8.6±1.6

7.9±1.5

9.0±1.6

8.9±1.5

0.14

0.47

 Daytime pulse pressure (mm Hg)

47.0±7.5

48.2±7.5

46.7±7.6

51.5±7.5

0.24

0.083

 Night time pulse pressure (mm Hg)

47.9±8.3

49.3±8.3

46.6±8.4

53.1±8.3

0.13

0.067

  1. Values are arithmetic mean±s.d. or geometric mean (5th–95th percentile interval), adjusted for age and body mass index.