Table 2.
Baseline data for propensity‐score‐matched groups by gender
| Gender | ||||||||
|---|---|---|---|---|---|---|---|---|
| Male | Female | |||||||
| All | CKD | Controls | P‐values | All | CKD | Controls | P‐values | |
| n | 66 | 33 | 33 | 34 | 17 | 17 | ||
| Anthropometric data | ||||||||
| Age (years), median (IQR) | 71 (10) | 71 (10) | 70 (9) | 0.096 | 67 (6) | 67 (5) | 66 (7) | 0.468 |
| BMI (kg/m2), median (IQR) | 27.8 (4.6) | 27.4 (4.2) | 28.0 (4.6) | 0.994 | 27.2 (7.1) | 28.9 (9.6) | 25.6 (7.2) | 0.274 |
| Charlson, median (IQR) | 5 (3) | 7 (2) | 4 (2) | <0.001 | 4 (3) | 6 (2) | 3 (2) | <0.001 |
| SGA, n (%) | — | 0.999 | ||||||
| A | 100% | 100% | 100% | 33 (97.1%) | 16 (94.1%) | 17 (100%) | ||
| B | 0 | 0 | 0 | 1 (2.9%) | 1 (5.9%) | 0 | ||
| Diabetes, n (%) | 31 (47.0%) | 13 (39.4%) | 18 (54.6%) | 0.218 | 13 (38.2%) | 6 (35.3%) | 7 (41.2%) | 0.724 |
| Blood pressure (mmHg), median (IQR) | ||||||||
| Systole | 140 (20) | 140 (20) | 130 (22) | 0.052 | 140 (25) | 145 (16) | 130 (23) | 0.306 |
| Diastole | 76 (11) | 78 (10) | 70 (15) | 0.072 | 70 (10) | 70 (8) | 70 (11) | 0.999 |
| Heart rate (b.p.m.), median (IQR) | 70 (15) | 69 (14) | 72 (15) | 0.131 | 70 (12) | 70 (14) | 70 (11) | 0.865 |
| Dominant arm (% right‐handed) | 98.5% | 97.0% | 100% | 0.999 | 97.1% | 94.1% | 100% | 0.999 |
| MVF (N), median (IQR) | 293.5 (92.8) | 270.0 (77.7) | 307.2 (83.4) | 0.024 | 199.5 (60.3) | 174.5 (48.5) | 212.1 (37.3) | 0.002 |
| Biochemical data | ||||||||
| Haemoglobin (mg/dL), median (IQR) | 13.8 (3.1) | 12.4 (2.0) | 15.1 (1.4) | <0.001 | 12.7 (2.0) | 11.7 (1.3) | 13.5 (0.9) | 0.027 |
| Sodium (mmol/L), median (IQR) | 140 (3) | 141 (2) | 140 (4) | 0.564 | 141 (5) | 141 (6) | 141 (4) | 0.656 |
| Potassium (mmol/L), median (IQR) | 4.5 (0.7) | 4.5 (0.6) | 4.3 (0.7) | 0.485 | 4.4 (0.5) | 4.3 (0.4) | 4.6 (0.5) | 0.142 |
| Creatinine (μmol/L), median (IQR) | 114 (151) | 233 (140) | 77 (14) | <0.001 | 89 (84) | 153 (80) | 62 (14) | <0.001 |
| eGFR CKD‐EPI (mL/min/1.73 m2), median (IQR) | 55 (63) | 24 (15) | 88 (12) | <0.001 | 55 (53) | 34 (21) | 88 (9.5) | <0.001 |
Bold P‐values are considered statistically significant.
Abbreviations: BMI, body mass index; CKD, chronic kidney disease; eGFR CKD‐EPI, estimated glomerular filtration rate with the Chronic Kidney Disease Epidemiology Collaboration equation; IQR, interquartile range; MVF, maximum voluntary force; N, Newton; SGA, subjective global assessment.