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Table 3 Comparing echocardiographic parameters and BPV parameters in both groups

From: The blood pressure variability in patients with cryptogenic stroke

 

Range

Mean ± SD

t test

p value

24 H systolic SD

 Group I

9.8–17.9

13.29 ± 1.80

24.191

0.001*

 Group II

9.6–16.4

12.11 ± 1.63

Day systolic SD

 Group I

9.3–16.9

12.83 ± 1.75

23.562

0.001*

 Group II

9.3–15.7

11.68 ± 1.64

Night systolic SD

 Group I

8.9–15.1

11.99 ± 1.62

23.947

0.001*

 Group II

8.9–14.9

10.93 ± 1.50

24 H diastolic SD

 Group I

7.6–13.2

10.39 ± 1.31

23.712

0.001*

 Group II

7.6–12.8

9.53 ± 1.21

Day diastolic SD

 Group I

7.3–12.6

9.98 ± 1.27

22.460

0.001*

 Group II

7.3–12.1

9.17 ± 1.19

Night diastolic SD

 Group I

6.5–11.7

9.03 ± 1.28

19.733

0.001*

 Group II

6.5–11.5

8.27 ± 1.17

LVESVI (mL/m2)

 Group I

11–21

16.03 ± 2.52

0.028

0.867

 Group II

11–21

15.97 ± 2.46

LVEDVI (mL/m2)

 Group I

37–55

45.35 ± 3.77

0.003

0.956

 Group II

37–55

45.32 ± 3.65

Min LAVI (mL/m2)

 Group I

10–34

23.44 ± 5.94

73.710

0.001*

 Group II

8–31

16.49 ± 5.71

Max LAVI (mL/m2)

 Group I

29–55

43.69 ± 6.69

172.531

0.001*

 Group II

22–49

32.51 ± 5.47

LA EF %

 Group I

37–66

47.23 ± 6.29

7.225

0.008*

 Group II

34–68

50.36 ± 10.17

Peak E velocity (m/s)

 Group I

0.6–0.9

0.73 ± 0.11

0.279

0.781

 Group II

0.6–0.9

0.73 ± 0.11

Peak A velocity (m/s)

 Group I

0.6–1

0.78 ± 0.10

0.092

0.926

 Group II

0.6–1

0.78 ± 0.11

E/é ratio

 Group I

9–16

11.67 ± 1.75

0.827

0.409

 Group II

9–16

11.47 ± 1.67

  1. LA, left atrial; BPV, blood pressure variability; SD, standard deviation; 24 H, 24 hours; LVESVI, left ventricular end-systolic volume index; LVEDVI, left ventricular end-diastolic volume index; Min LAVI, minimum left atrial volume index; Max LAVI, maximum left atrial volume index; and LA EF, left atrial ejection fraction
  2. *Significant P value