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Table 3 Cardiovascular function characteristics of study participants. Baroreflex and haemodynamic variables at rest: results are expressed as mean ± standard deviation

From: The relative importance of frailty, physical and cardiovascular function as exercise-modifiable predictors of falls in haemodialysis patients: a prospective cohort study

Variables

All patients

(69)

Fallers

(26)

Non-fallers

(43)

P-value

Baroreflex function

 Up-ramps (n°)

20.4 ± 18.9

20.9 ± 22.9

20.1 ± 15.8

0.632

 Down-ramps (n°)

18.4 ± 15.9

19.1 ± 18.3

17.9 ± 14.2

0.811

 Total-ramps (n°)

38.8 ± 34.3

40 ± 40.7

38 ± 29.8

0.688

 Up-events (n°)

4.5 ± 7.1

2.6 ± 3.7

5.7 ± 8.4

0.125

 Down-events (n°)

4.8 ± 6.4

3.3 ± 4.5

5.7 ± 7.3

0.347

 Total-events (n°)

9.3 ± 13

6 ± 7.9

11.4 ± 15.1

0.129

 Up-BEI (%)

20.6 ± 25.2

14.6 ± 20.2

24.7 ± 27.7

0.165

 Down-BEI (%)

27.9 ± 26.4

20.3 ± 22.7

32.9 ± 27.7

0.103

 Total-BEI (%)

25.4 ± 25

17.7 ± 19.1

30.6 ± 27.4

0.078

 BRS (ms/mmHg)

9.3 ± 7.1

10.3 ± 9.3

8.8 ± 5.9

0.806

Haemodynamic variables

 RRI (ms)

894.9 ± 163.1

867.7 ± 112.4

911.4 ± 186.8

0.240

 HR (bpm)

69.5 ± 12

70.7 ± 9.3

68.8 ± 13.4

0.506

 contSBP (mmHg)

124 ± 23.1

127 ± 26.2

122.1 ± 21.1

0.462

 contDBP (mmHg)

77.8 ± 14.8

76.8 ± 12.5

78.4 ± 16.1

0.756

 contmBP (mmHg)

97.2 ± 17.7

97.9 ± 16.9

96.8 ± 18.4

0.801

 SV (ml)

64.4 ± 14.4

63.6 ± 12.1

64.8 ± 15.7

0.921

 CO (L/min)

4.4 ± 1.2

4.5 ± 0.9

4.4 ± 1.3

0.416

 TPR (dyne*s/cm5)

1777 ± 501

1716 ± 371

1816 ± 570

0.440

 SI (ml/m2)

34.8 ± 8.8

35.2 ± 7.8

34.5 ± 9.5

0.455

 CI (L/min*m2)

2.4 ± 0.7

2.5 ± 0.5

2.4 ± 0.8

0.167

 TPRI(dyne*s*m2/cm5)

3330 ± 1037

3121 ± 710

3464 ± 1190

0.154

 TFC (1/kΩ)

32.9 ± 10.8

34.6 ± 12.1

31.9 ± 10

0.365

 OscSBP (mmHg)

128.2 ± 22

134.4 ± 26.3

124.8 ± 18.7

0.094

 OscDBP (mmHg)

81 ± 13.9

82.4 ± 12.8

80.2 ± 14.5

0.553

  1. Abbreviations: Up-BEI up-events baroreceptor effectiveness index, Down-BEI down-events baroreceptor effectiveness index, Total-BEI total-events baroreceptor effectiveness index, BRS baroreflex sensitivity, RRI R-R interval, HR heart rate, contSBP continuous systolic blood pressure, contDBP continuous diastolic blood pressure, contmBP continuous mean blood pressure, SV stroke volume, CO cardiac output, TPR total peripheral resistance, SI stroke index, CI cardiax index, TPRI total peripheral resistance index, TFC thoracic fluid content, OscSBP oscillometric systolic blood pressure, OscDBP oscillometric diastolic blood pressure