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Table 1 Baseline characteristics between intensive and standard treatment groups within AS and non-AS groups

From: Influence of baseline arterial stiffness on effects of intensive compared with standard blood pressure control: a post hoc analysis of the STEP trial

 

Non-AS

AS

Non-AS

AS

P value

Intensive treatment

Standard treatment

P value

Intensive treatment

Standard treatment

P value

N (%)

1980 (51.86)

1838 (48.14)

 

1464 (48.05)

1583 (51.95)

 

3818 (55.62)

3047 (44.38)

 

Age, years

65.1±4.25

65.14±4.38

0.77

67.44±4.98

67.42±4.94

0.91

65.12±4.32

67.43±4.96

<0.001

Female, n (%)

1053 (53.18)

920 (50.05)

0.06

789 (53.89)

914 (57.74)

0.04

1973 (51.68)

1703 (55.89)

<0.001

BMI, kg/m2

25.76±3.19

25.85±3.2

0.36

25.34±3.14

25.41±3.15

0.53

25.8±3.19

25.38±3.14

<0.001

HR, bpm

72.8±10.17

72.18±9.99

0.06

74.79±10.71

74.93±10.65

0.71

72.5±10.09

74.86±10.68

<0.001

BP, mmHg

  SBP

143.78±16.07

143.43±16.03

0.50

150.4±17.38

149.92±16.69

0.44

143.61±16.05

150.15±17.03

<0.001

  DBP

82.6±10.38

82.58±10.26

0.95

82.93±11.1

82.28±10.62

0.09

82.59±10.32

82.59±10.86

0.99

  PP

61.18±13.64

60.85±13.96

0.46

67.46±15.01

67.64±14.51

0.74

61.02±13.79

67.56±14.75

<0.001

  MAP

102.99±10.79

102.86±10.61

0.70

105.42±11.52

104.82±11.02

0.14

102.93±10.7

105.11±11.26

<0.001

  baPWV, cm/s

1562.24±171.74

1544.79±176.92

0.002

2080.5±239.06

2078.08±233.75

0.78

1553.19±174.64

2079.25±236.28

<0.001

Physical activity, times/week, n (%)

  

0.22

  

0.86

  

0.06

≥ 3

1232 (62.22)

1193 (64.91)

 

963 (65.78)

1055 (66.65)

 

2425 (63.51)

2018 (66.23)

 

1–2

429 (21.67)

374 (20.35)

 

285 (19.47)

297 (18.76)

 

803 (21.03)

582 (19.10)

 

0

319 (16.11)

271 (14.74)

 

216 (14.75)

231 (14.59)

 

590 (15.45)

447 (14.67)

 

Smoking status, n (%)

  

0.19

  

0.16

  

<0.001

Current

325 (16.44)

342 (18.66)

 

222 (15.22)

203 (12.86)

 

667 (17.51)

425 (13.99)

 

Former

246 (12.44)

226 (12.33)

 

158 (10.83)

182 (11.53)

 

472 (12.39)

340 (11.19)

 

Never

1406 (71.12)

1265 (69.01)

 

1079 (73.95)

1194 (75.62)

 

2671 (70.10)

2273 (74.82)

 

Drink status, n (%)

  

0.02

  

0.52

  

<0.001

Current

531 (26.86)

541 (29.51)

 

362 (24.81)

365 (23.12)

 

1072 (28.14)

727 (23.93)

 

Former

91 (4.60)

108 (5.89)

 

76 (5.21)

80 (5.07)

 

199 (5.22)

156 (51.35)

 

Never

1355 (68.54)

1184 (64.59)

 

1021 (69.98)

1134 (71.82)

 

2539 (66.64)

2155 (70.93)

 

FBG, mmol/L

6.02±1.44

5.99±1.52

0.57

6.26±1.62

6.35±1.72

0.11

6±1.48

6.31±1.67

<0.001

TC, mmol/L

4.84±1.04

4.91±1.12

0.07

4.9±1.12

4.93±1.09

0.52

4.88±1.08

4.91±1.1

0.18

LDL-C, mmol/L

2.7±0.86

2.72±0.87

0.55

2.68±0.88

2.71±0.89

0.49

2.71±0.87

2.69±0.89

0.55

HDL-C, mmol/L

1.26±0.3

1.26±0.31

0.69

1.26±0.31

1.26±0.31

0.58

1.26±0.3

1.26±0.31

0.97

TG, mmol/L

1.53±0.96

1.59±1.17

0.07

1.63±1.1

1.63±1.1

0.92

1.56±1.08

1.63±1.1

0.01

UA, mmol/L

346.85±87.7

346.23±89.01

0.83

349.87±88.98

346.17±89.88

0.26

346.53±88.37

347.94±89.45

0.52

eGFR, ml/min

109.2±22.57

110.34±23.07

0.13

108.42±25.12

108.32±24.58

0.92

109.79±22.83

108.37±24.84

0.01

eGFR<60, n (%)

23 (1.19)

24 (1.34)

0.80

32 (2.24)

32 (2.07)

0.85

47 (1.27)

64 (2.15)

0.006

Medical history, n (%)

Diabetes mellitus

322 (16.26)

301 (16.38)

0.96

356 (24.32)

366 (23.12)

0.46

623 (16.32)

722 (23.70)

<0.001

CVD History

372 (18.79)

339 (18.44)

0.82

252 (17.21)

256 (16.17)

0.47

711 (18.62)

508 (16.67)

0.04

Antihypertensive agents

No. of antihyperten-sive agents

1.39±0.63

1.52±0.68

<0.001

1.56±0.68

1.44±0.69

<0.001

1.46±0.66

1.5±0.69

0.02

Not using antihyper-tensive agents, n (%)

66 (3.33)

59 (3.21)

0.90

51 (3.48)

65 (4.11)

0.42

125 (3.27)

116 (3.81)

0.26

Use of ARB, n (%)

1273 (64.29)

1083 (58.92)

0.001

960 (65.57)

926 (58.50)

<0.001

2356 (61.71)

1886 (61.90)

0.89

Use of CCB, n (%)

1502 (75.86)

1313 (71.44)

0.002

1155 (78.89)

1198 (75.68)

0.04

2815 (73.73)

2353 (77.22)

<0.001

Use of statins, n (%)

439 (22.17)

392 (21.33)

0.55

247 (16.87)

269 (16.99)

0.97

831 (21.77)

516 (16.93)

<0.001

Use of aspirin, n (%)

196 (9.90)

182 (9.90)

1.00

109 (7.45)

134 (8.46)

0.33

378 (9.90)

243 (7.98)

0.007

FRS ≥15%, n (%)

1427 (74.40)

1328 (74.61)

0.92

1210 (85.03)

1268 (82.39)

0.06

2755 (74.50)

2478 (83.66)

<0.001

  1. Abbreviations: AS arterial stiffness, BMI body mass index, HR heart rate, SBP systolic blood pressure, DBP diastolic blood pressure, PP pulse pressure, MAP mean arterial pressure, baPWV brachial-ankle pulse wave velocity, FBG fasting blood glucose, TC total cholesterol, LDL-C low-density lipoprotein cholesterol, HDL-C high-density lipoprotein cholesterol, TG triglyceride, UA uric acid, eGFR estimated glomerular filtration rate, CVD cardiovascular disease, ARB angiotensin receptor blocker, CCB calcium channel blocker, FRS Framingham risk score