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Table 1 Characteristics of the study population

From: Cardiovascular function is not associated with creatine kinase activity in a black African population: The SABPA study

 

Black men

White men

Black women

White women

n

100

101

97

107

Age, years

43.3 (SD 8.11)

45.1 (SD 11.0)

45.7 (SD 7.91)

45.0 (SD 10.8)

Anthropometric measurements

   

 Height, m

1.70 (SD 0.06)

1.81 (SD 0.07)*

1.59 (SD 0.06)

1.67 (SD 0.06)*

 Weight, kg

80.0 (SD 17.8)

95.4 (SD 17.6)*

82.6 (SD 19.0)

72.4 (SD 16.9)*

 BMI, kg/m2

27.5 (SD 5.76)

29.0 (SD 5.20)*

32.8 (SD 7.23)

26.0 (SD 5.60)*

 WC, cm

93.5 (SD 15.5)

102 (SD 14.4)*

93.6 (SD 15.6)

84.7 (SD 13.0)*

Cardiovascular measurements

   

 SBP, mmHg

137 (SD 16.0)

128 (SD 10.4)*

129 (SD 15.2)

120 (SD 12.4)*

 DBP, mmHg

88 (SD 10.8)

80 (SD 7.44)*

79 (SD 8.66)

74 (SD 7.70)*

 PP, mmHg

50 (SD 8.31)

48 (SD 6.98)

50 (SD 9.76)

46 (SD 7.63)*

 HR, beats/min

79.2 (SD 11.4)

72.0 (SD 11.1)*

80.3 (SD 10.1)

75.0 (SD 8.80)*

 PWV, ms

9.20 (SD 2.35)

8.59 (SD 1.35)*

8.21 (SD 1.38)

7.51 (SD 1.30)*

 TPR, mmHg/ml/s

1.03 (0.63; 1.78)

0.98 (0.65; 1.62)

0.90 (0.56; 1.51)

0.98 (0.60; 1.66)

Biochemical analyses

   

 CK activity, U/l

127 (42.7; 427)

115 (46.8; 245)

75.9 (26.9; 195)

62.8 (30.2; 123)*

 HbA1c, %

6.24 (SD 1.23)

5.66 (SD 0.48)*

5.91 (SD 1.14)

5.37 (SD 0.29)*

 TC, mmol/l

4.74 (SD 1.17)

5.58 (SD 1.20)*

4.44 (SD 1.20)

5.50 (SD 1.35)*

 HDL-C, mmol/l

1.05 (SD 0.37)

1.00 (SD 0.27)

1.20 (SD 0.31)

1.40 (SD 0.42)*

 TG, mmol/l

1.82 (SD 1.59)

1.51 (SD 0.87)

1.04 (SD 0.64)

0.90 (SD 0.48)

 CRP, mg/l

2.73 (0.28; 15.1)

1.80 (1.00; 7.94)*

7.14 (0.78; 35.5)

2.23 (0.99; 14.5)*

Lifestyle and medication

   

 Cotinine, ng/ml

35 (SD 65.2)

30.9 (SD 96.7)

18.9 (SD 55.7)

15.2 (SD 53.2)

 γ-GT, U/l

62.7 (23.4; 331)

27.3 (11.0; 89.1)*

34.9 (16.6; 100)

13.8 (6.17; 38.9)*

 TEE, kcal/day

2702 (SD 793)

3674 (SD 2059)*

2652 (SD 797)

2567 (SD 612)

 HT, n

79

70

56

31*

 HIV infected, n

13

0*

6

0*

 Statins, n

1

6

1

3

 HT medication, n

20

9*

23

9*

  1. Data expressed as arrhythmic mean (standard deviation), geometric mean (5th and 95th percentiles) or n
  2. SD standard deviation, BMI body mass index, WC waist circumference, SBP systolic blood pressure, DBP diastolic blood pressure, PP pulse pressure, HR heart rate, PWV pulse wave velocity, TPR total peripheral resistance, CK creatine kinase, HbA1c glycated hemoglobin, TC total cholesterol, HDL-C high density lipoprotein cholesterol, CRP C-reactive protein, γ-GT γ-glutamyl transferase, TEE total energy expenditure, HT hypertensive, HIV human immunodeficiency virus
  3. *p < 0.05 between black and white men and between black and white women