| Demographic parameters: |
|
|
|
| Male (%) |
80 |
49 |
0.01 |
| Age (mean ± SD) (years) |
54 ± 12 |
50 ± 13 |
0.15 |
| Level of education (%): |
24 |
20 |
0.10 |
| Primary education or less |
24 |
12 |
|
| Skilled workers |
12 |
40 |
|
| High school or equivalent |
40 |
28 |
|
| University diploma |
|
|
|
| Anthropometric parameters: |
|
|
|
| Neck circumference (mean ± SD) (cm) |
40 ± 3 |
37 ± 4 |
<0.01 |
| Abdominal circumference (mean ± SD) (cm) |
107 ± 12 |
95 ± 15 |
<0.01 |
| BMI (mean ± SD) (kg/m2) |
29 ± 5 |
26 ± 5 |
<0.01 |
| Comorbidities: |
|
|
|
| Tobacco use (%) |
20 |
20 |
1.00 |
| Prevalence of diabetes (%) |
16 |
20 |
0.66 |
| Prevalence of hypertension (%) |
100 |
89 |
0.09 |
| Charlson Comorbidity Index (median; IQR) (point) |
2; 0 |
2; 1 |
0.22 |
| Prevalence of coronary heart disease (%) |
8 |
8 |
1.00 |
| Prevalence of congestive heart failure (%) |
8 |
8 |
1.00 |
| Prevalence of peripheral vascular disease (%) |
12 |
12 |
1.00 |
| Prevalence of cerebro-vascular disease (%) |
4 |
1 |
0.41 |
| Prevalence of atrial fibrillation (%) |
8 |
1 |
0.09 |
| Blood Pressure: |
|
|
|
| Average of systolic blood pressure (mean ± SD) (mmHg) |
147 ± 21 |
139 ± 18 |
0.06 |
| Average of diastolic blood pressure (mean ± SD) (mmHg) |
85 ± 13 |
83 ± 11 |
0.50 |
| Laboratory parameters: |
|
|
|
| Blood Hemoglobin (mean ± SD) (g/L) |
141 ± 17 |
132 ± 16 |
0.02 |
| Serum albumin (mean ± SD) (g/L) |
40 ± 4 |
40 ± 3 |
0.72 |
| Serum CRP (median; IQR) (mg/l) |
3.8; 4.3 |
2.8; 4.6 |
0.43 |
| eGFR at baseline (mean ± SD) (ml/min./1.73 m2) |
51 ± 18 |
52 ± 19 |
0.63 |
| History of ESRD: |
|
|
|
| Transplant “vintage” (median; IQR) (months) |
60; 109 |
67; 78 |
1.00 |
| Dialysis “vintage” (median; IQR) (months) |
25; 39 |
18; 28 |
0.24 |
| Cumulative ESRD time (median; IQR) (months) |
117; 147 |
96; 85 |
0.18 |
| Medications: |
|
|
|
| ACE inhibitors (%) |
8 |
24 |
0.08 |
| Any type of anti-hypertensive drug (%) |
92 |
96 |
0.63 |
| Hypnotic drugs (%) |
8 |
20 |
0.17 |
| Sleep parameters: |
|
|
|
| Epworth Sleepiness scale (median; IQR) (point) |
4 (5) |
5 (5) |
0.24 |
| Average oxygen saturation during sleep (mean ± SD) (%) |
91.8 ± 1.6 |
94.0 ± 2.0 |
<0.01 |
| Slow wave sleep (median; IQR) (%) |
9 (11) |
12 (11) |
0.41 |
