Table 1.
Demographic and clinical characteristics of patients with advanced chronic kidney disease who did not start (control) or did start hemodialysis during the study period (n = 292).
| Characteristic | Control (n = 83)a | Dialysis-initiated (n = 209)a | Pb |
|---|---|---|---|
| Age (years) | 62.7 ± 11.7 | 63.1 ± 14.8 | 0.7947 |
| Gender | |||
| Female | 49 (59.0) | 92 (44.0) | 0.0270 |
| Male | 34 (41.0) | 117 (56.0) | |
| BMI (kg/m2) | 24.3 ± 3.4 | 24.0 ± 4.4 | 0.1957 |
| Current smoker | 3 (3.6) | 35 (16.7) | 0.0018 |
| Coexisting diseases | |||
| Diabetes | 31 (37.4) | 125 (59.8) | 6.8 × 10−4 |
| Hypertension | 58 (69.9) | 179 (85.7) | 0.0027 |
| Coronary artery disease | 3 (3.6) | 36 (17.2) | 0.0011 |
| Malignancy | 8 (9.6) | 14 (6.7) | 0.4610 |
| Liver cirrhosis | 1 (1.2) | 7 (3.4) | 0.4476 |
| Primary cause of ESRD | |||
| Diabetes | 26 (31.3) | 119 (56.9) | 3.0 × 10−4 |
| Glomerulonephritis | 41 (49.4) | 68 (32.5) | |
| Hypertension | 8 (9.6) | 6 (2.9) | |
| Interstitial nephritis | 2 (2.4) | 1 (0.5) | |
| Hereditary kidney disease | 1 (1.2) | 6 (2.9) | |
| Others | 5 (6.0) | 9 (4.3) | |
| Duration of nephrology care | |||
| ≤12 months | 20 (24.4) | 112 (53.6) | 7.0 × 10−6 |
| >12 months | 62 (75.6) | 97 (46.4) | |
| Use of phosphate binder | |||
| Yes | 49 (59.1) | 87 (41.6) | 0.0910 |
| No | 34 (41.0) | 122 (58.4) | |
| Daily dose of calcium as phosphate binder (meq)c | 32.2 ± 16.8 | 40.7 ± 19.9 | 0.0121 |
Abbreviations: SD: standard deviation; BMI: body mass index; ESRD: end-stage renal disease.
a
Mean ± SD or n (%).
b
p value is from Fisher's exact test for gender and the t-test for continuous factors.
c
For patients who took phosphate-binders.