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Table 1 Patient baseline demographics

From: Pacemaker detected active minutes are superior to pedometer-based step counts in measuring the response to physical activity counseling in sedentary older adults

 

All Subjects (n = 13)

PAC (n = 7)

UC (n = 6)

P value (UC vs PAC)

Female sex- N (%)

11 (84.6)

6 (85.6)

5 (83.3)

1.00

Age (yrs)

80 ± 6

84 ± 5

75 ± 5

0.01*

BMI (kg/m2)

31.2 ± 5.7

30.0 ± 5.0

32.5 ± 6.6

0.46

Ethnicity

   

1.00

Black (%)

2 (15.4)

1 (14.3)

1 (16.7)

 

White (%)

11 (84.6)

6 (85.7)

5 (83.3)

 

Indication for PPM Placement

   

0.27

 Sick Sinus Syndrome

4 (30.8)

1 (14.3)

3 (50)

 

 High Degree AV Block

9 (69.2)

6 (85.7)

3 (50)

 

History of Sustained Ventricular Tachycardia N(%)

3 (23.1)

0 (0)

3 (50)

0.84

History of Non-Sustained Ventricular Tachycardia N(%)

7 (53.8)

2 (28.6)

5 (71.4)

0.10

Creatinine Clearance < 60 mL/min/1.73 m2 N(%)

5 (38.5)

4 (57.1)

1 (16.7)

0.26

Hypertension N(%)

10 (76.9)

6 (85.7)

4 (66.7)

0.56

Hyperlipidemia N (%)

12 (92.3)

6 (85.7)

6 (100%)

1.00

Diabetes N (%)

3 (23.1)

0 (0)

3 (50%)

0.07

Heart Failure N (%)

2 (15.4)

0 (0)

2 (33.3%)

0.19

Myocardial Infarction N(%)

1 (7.7)

0 (0)

1 (16.7)

0.46

Coronary Stent N(%)

2 (11.77)

1 (14.3)

0 (0)

1.00

Prior CABG N(%)

2 (15.4)

1 (14.3)

1 (16.7)

1.00

Prior CVA N (%)

5 (38.5)

1 (14.3)

4 (80.0)

0.10

Atrial Fibrillation (%)

7 (53.8)

3 (42.9)

4 (57.1)

 

LVEF %

60 ± 4

62 ± 3

57 ± 4

0.02*

LV EDD (cm)

44 ± 5

43 ± 3

44 ± 6

0.62

LV ESD (cm)

28 ± 6

26 ± 2

30 ± 9

0.25

Percent Atrial Pacing

61 ± 34

66 ± 31

53 ± 39

0.50

Percent Ventricular Pacing

22 ± 38

12 ± 21

34 ± 51

0.34

Mitral Regurgitation – Moderate or more

2 (15.3)

2 (28.6)

0 (0)

0.46

Current Smoker (%)

1 (7.7)

0 (0)

1 (16.7)

0.46

ACE Inhibitor or ARB Therapy (%)

7 (53.8)

3 (42.9)

4 (57.1)

0.59

Beta Blocker Therapy (%)

7 (53.8)

4 (57.1)

3 (50)

1.00

HMG CoA-Reductase Therapy (%)

8 (61.5)

4 (57.1)

4 (66.7)

1.00

SBP (mmHg)

126 ± 22

131 ± 27

121 ± 14

0.44

DBP (mmHg)

73 ± 114

70 ± 9

77 ± 18

0.38

HR (bpm)

68 ± 6

66 ± 4

70 ± 7

0.18

Calculated Gait Speed (m/sec)

0.85 ± 0.16

0.84 ± 0.14

0.86 ± 0.18

0.85

  1. Values are reported in mean (SD) or as absolute numbers with (% of n). P values compare baseline demographics of UC and PAC groups.*P < 0.05
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BMC Geriatrics

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