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Table 1

From: Progress report on the first sub-Saharan Africa trial of newer versus older antihypertensive drugs in native black patients

Characteristic

Older drugs

Newer drugs

Difference (95% CI)

P

Number

69

71

  

Anthropometrics

    

Women, n [%]

33 (47.8)

42 (59.2)

 

0.23

Age, years

50.5 ± 8.6

50.9 ± 9.2

0.4 (−2.6 to 3.4)

0.78

Weight, kg

80.8 ± 14.6

76.9 ± 14.7

−4.0 (−8.9 to 0.9)

0.11

Height, cm

167.8 ± 7.8

166.4 ± 9.0

−1.2 (−4.1 to 1.6)

0.39

Body mass index, kg/m2

28.7 ± 4.6

27.8 ± 5.1

−0.9 (−2.5 to 0.8)

0.30

Waist circumference, cm

94.5 ± 13.9

92.9 ± 11.5

−1.6 (−5.9 to 2.7)

0.47

Sitting blood pressure

    

Systolic, mm Hg

154.2 ± 11.0

153.7 ± 11.8

−0.5 (−4.3 to 3.3)

0.80

Diastolic, mm Hg

92.2 ± 9.4

90.8 ± 10.3

−1.4 (−4.7 to 1.9)

0.41

Heart rate, beats/minute

74.0 ± 9.5

73.1 ± 10.3

−0.9 (−4.2 to 2.4)

0.59

Standing blood pressure

    

Systolic, mm Hg

154.9 ± 13.8

154.1 ± 12.8

−0.7 (−5.2 to 3.7)

0.74

Diastolic, mm Hg

97.1 ± 9.5

97.5 ± 10.2

0.4 (−2.9 to 3.7)

0.82

Heart rate, beats/minute

81.6 ± 9.5

80.6 ± 10.3

−1.0 (−4.7 to 2.7)

0.60

Lifestyle

    

Past smokers, n [%]

9 (13.2)

13 (18.3)

 

0.48

Current smokers, n [%]

3 (4.4 )

1 (1.4 )

 

0.35

Sniffing tobacco, n [%]

0 (0.0 )

0 (0.0 )

 

1.00

Current drinkers, n [%]

22 (32.4)

22 (31.0)

 

1.00

Blood measurements

    

Hemoglobin, mg/dL

12.9 ± 1.7

12.8 ± 1.7

−0.1 (−0.7 to 0.5)

0.74

Hematocrit, %

39.0 ± 5.0

38.8 ± 5.7

−0.2 (−2.0 to 1.7)

0.86

Glucose, mmol/L

5.1 ± 0.9

4.9 ± 0.7

−0.2 (−0.4 to 0.1)

0.19

Cholesterol, mmol/L

4.9 ± 1.1

4.8 ± 1.2

−0.0 (−0.4 to 0.4)

0.86

Creatinine, μmol/L

86.1 ± 20.1

90.9 ± 34.5

4.8 (−4.7 to 14.3)

0.32

ECG measurements

    

Sokolow-Lyon index, mm

28.1 ± 7.7

29.8 ± 7.2

1.7 (−0.8 to 4.2)

0.18

Cornell index, mm × msec

1818 ± 836

1771 ± 594

−48 (−290 to 194)

0.70

  1. Values are mean ± SD, number of participants (%), or the difference between the two groups (95% confidence interval). Older and newer drugs refer to the single-pill combinations of hydrochlorothiazide plus bisoprolol or valsartan plus amlodipine, respectively. The blood pressure measurements are averages of three consecutive readings in each participant.