Table 1.
Baseline data in the study population
| Group | ||||
|---|---|---|---|---|
| All | CKD | Controls | P‐values | |
| n | 117 | 57 | 60 | |
| Anthropometric data | ||||
| Age (years), median (IQR) | 69 (9) | 69 (11) | 69 (11) | 0.156 |
| Gender (% females) | 37.6% | 29.8% | 45.0% | 0.090 |
| BMI (kg/m2), median (IQR) | 27.6 (6.2) | 27.9 (5.4) | 26.8 (5.9) | 0.106 |
| Charlson, median (IQR) | 5 (4) | 7 (2) | 3 (2) | <0.001 |
| SGA, n (%) | 0.999 | |||
| A | 113 (96.6%) | 55 (96.5%) | 58 (96.7%) | |
| B | 4 (3.4%) | 2 (3.5%) | 2 (3.3%) | |
| Diabetes, n (%) | 49 (41.9%) | 24 (42.1%) | 25 (41.7%) | 0.962 |
| Blood pressure (mmHg), median (IQR) | ||||
| Systole | 140 (23) | 143 (23) | 130 (24) | 0.036 |
| Diastole | 74 (11) | 77 (10) | 70 (13) | 0.238 |
| Heart rate (b.p.m.), median (IQR) | 69 (16) | 69 (15) | 70 (15) | 0.406 |
| Dominant arm (% right‐handed) | 98.3% | 96.5% | 100% | 0.235 |
| Biochemical data a | ||||
| Haemoglobin (mg/dL), median (IQR) | 13.2 (3.0) | 12.3 (2.1) | 14.6 (1.8) | <0.001 |
| Sodium (mmol/L), median (IQR) | 141 (3) | 140 (3) | 141 (3) | 0.665 |
| Potassium (mmol/L), median (IQR) | 4.4 (0.6) | 4.5 (0.6) | 4.4 (0.6) | 0.874 |
| Creatinine (μmol/L), median (IQR) | — | 198 (154) | 67 (19) | <0.001 |
| GFR CKD‐EPI (mL/min/1.73 m2), median (IQR) | — | 25 (20) | 88 (12) | <0.001 |
Bold P‐values are considered statistically significant.
Abbreviations: BMI, body mass index; CKD, chronic kidney disease; GFR CKD‐EPI, glomerular filtration rate with the Chronic Kidney Disease Epidemiology Collaboration equation; IQR, interquartile range; SGA, subjective global assessment.
a
Only the biochemical data with more than 75% of available data are shown.