Table 2.
Echocardiographic measures at CKD and at initiation of HD or PD
| Variable | No. of pairs of measureme nts within a person | CKD | ESRD* | P value1 |
|---|---|---|---|---|
| Left ventricular mass index, g/m2.7 | 340 | 60.36±15.58 | 58.37±13.70 | 0.005 |
| Ejection fraction, % | 387 | 52.45±9.03 | 48.59±9.61 | <.0001 |
| Left ventricular geometry | 305 | 0.09 | ||
| Normal | 27 (8.85%) | 38 (12.46%) | ||
| Concentric remodeling | 47 (15.41%) | 39 (12.79%) | ||
| Eccentric hypertrophy | 62 (20.33%) | 74 (24.26%) | ||
| Concentric hypertrophy | 169 (55.41%) | 154 (50.49%) | ||
| Diastolic relaxation | 324 | 0.02 | ||
| Normal relaxation | 72 (22.22%) | 73 (22.53%) | ||
| Mildly abnormal relaxation | 216 (66.67%) | 235 (72.53%) | ||
| Moderately & Severely abnormal relaxation | 36 (11.11%) | 16 (4.94%) | ||
| Left atrial volume (ml/m2) | 368 | 4.09±0.63 | 4.15±0.68 | 0.08 |
| Left ventricular end-systolic volume (ml/m2.7) | 366 | 18.60±6.89 | 20.21±8.92 | <0.001 |
| Left ventricular end-diastolic volume (ml/m2.7) | 372 | 38.59±9.36 | 38.44±10.48 | 0.8 |
Values shown are mean±sd or n (%)
Bold= statistically significant
N=417.
1
To compare echocardiographic measures between CKD and dialysis initiation, the P values are generated using the paired t test for continuous variables and the Bowker’s test of symmetry for more than two levels of categorical variables.
*
Defined as hemodialysis or peritoneal dialysis.