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Table 1 Subject characteristics

From: A finger photoplethysmography waveform during the valsalva maneuver detects changes in left heart filling pressure after hemodialysis

Number of subjects

27

Age (yr, ± S.D.)

53.2 ± 13.4

Gender (male)

21

Comorbidities

 

 Hypertension (%)

21 (78)

 Diabetes type 2 (%)

11 (41)

 Congestive Heart Failure (%)

6 (22)

 Chronic obstructive pulmonary disease (%)

4 (15)

 Peripheral Arterial Disease (%)

0 (0)

 Coronary Artery Disease (%)

14 (52)

 Cirrhosis (%)

1 (4)

Medications

 

 Calcium Channel Blockers (%)

16 (59)

 β-Blocker (%)

20 (74)

 Angiotensin-converting enzyme inhibitor (%)

9 (33)

 Angiotensin receptor blocker (%)

2 (7)

 Nitrate (%)

2 (7)

 Thiazide Diuretic (%)

1 (4)

 Loop Diuretic (%)

6 (22)

 Clonidine (%)

2 (7)

 Hydralazine (%)

4 (15)

Active smokers (%)

3 (11)

Years of hemodialysis (median)

1.5

Access site for hemodialysis

 

 Catheter (Subclavian) (%)

5 (19)

 Catheter (Internal Jugular) (%)

1 (4)

 Arterio-venous fistula

 

 Right Upper Extremity (%)

10 (37)

 Left Upper Extremity (%)

11 (41)

Able to make any urine (%)

21 (78)

  1. S.D. standard deviation, Co-Morbidities, Medications, Smokers, and Access site for hemodialysis are presented as absolute number of subjects followed by % of subjects in parentheses