Table 3 Risk factors associated with death and dialysis initiation (univariable analyses)
| Â | Cox model | Fine-Gray model | ||||||
|---|---|---|---|---|---|---|---|---|
Variables | Death | Dialysis initiation | Death | Dialysis initiation | ||||
| Â | HR | 95Â % CI | HR | 95Â % CI | HR | 95Â % CI | HR | 95Â % CI |
Age (years) | ||||||||
  < 70 | 1.00 |  | 1.00 |  | 1.00 |  | 1.00 |  |
 70–80 | 1.91 | [1.23 –2.97] | 0.44 | [0.23 –0.84] | 2.07 | [1.34 –3.22] | 0 .39 | [0.21 –0.75] |
 80–85 | 1.87 | [1.15 –3.03] | 0.30 | [0.13 –0.74] | 2.06 | [1.28 –3.33] | 0 .27 | [0.11 –0.66] |
  > 85 | 2.78 | [1.8 –4.32] | 0.45 | [0.22 –0.92] | 2.98 | [1.92 –4.62] | 0.36 | [0.17 –0.73] |
Gender | ||||||||
 Male | 1.00 |  | 1.00 |  | 1.00 |  | 1.00 |  |
 Female | 1.13 | [0.84 –1.52] | 1.37 | [0.81 –2.32] | 1.10 | [0.82 –1.49] | 1.27 | [0.75 –2.15] |
Hemoglobin | ||||||||
  ≥ 11 g/dL | 1.00 |  | 1.00 |  | 1.00 |  | 1.00 |  |
  < 11 g/dL | 2.37 | [1.76 –3.17] | 2.52 | [1.44 –4.41] | 2.13 | [1.59 –2.86] | 1.89 | [1.09 –3.29] |
Cancer < 5 years | ||||||||
 No | 1.00 |  | 1.00 |  | 1.00 |  | 1.00 |  |
 Yes | 1.67 | [1.18 –2.35] | 0.95 | [0.45 –2.01] | 1.62 | [1.14 –2.32] | 0.78 | [0.37 –1.67] |
Chronic heart failure | ||||||||
 No | 1.00 |  | 1.00 |  | 1.00 |  | 1.00 |  |
 Yes | 1.74 | [1.29 –2.36] | 0.68 | [0.33 –1.38] | 1.78 | [1.32 –2.4] | 0.59 | [0.29 –1.19] |
Ischemic cardiopathy | ||||||||
 No | 1.00 |  | 1.00 |  | 1.00 |  | 1.00 |  |
 Yes | 1.28 | [0.95 –1.72] | 0.80 | [0.44 –1.43] | 1.30 | [0.97 –1.74] | 0.75 | [0.42 –1.34] |
Stroke | ||||||||
 No | 1.00 |  | 1.00 |  | 1.00 |  | 1.00 |  |
 Yes | 1.45 | [0.94 –2.25] | 0.57 | [0.18 –1.84] | 1.48 | [0.96 –2.3] | 0.52 | [0.16 –1.68] |
Peripheral arterial disease | ||||||||
 No | 1.00 |  | 1.00 |  | 1.00 |  | 1.00 |  |
 Yes | 1.07 | [0.76 –1.52] | 1.55 | [0.87 –2.75] | 1.03 | [0.73 –1.44] | 1.59 | [0.9 –2.81] |
Diabetes | ||||||||
 No | 1.00 |  | 1.00 |  | 1.00 |  | 1.00 |  |
 Yes | 0.92 | [0.68 –1.25] | 2.54 | [1.51 –4.28] | 0.88 | [0.65 –1.18] | 2.62 | [1.56 –4.41] |
High blood pressure | ||||||||
 No | 1.00 |  | 1.00 |  | 1.00 |  | 1.00 |  |
 Yes | 0.82 | [0.6 –1.11] | 0.85 | [0.48 –1.5] | 0.85 | [0.62 –1.15] | 0.90 | [0.51 –1.58] |
Others | ||||||||
 No | 1.00 |  | 1.00 |  | 1.00 |  | 1.00 |  |
 Yes | 1.56 | [0.96 –2.53] | 1.18 | [0.54 –2.61] | 1.54 | [0.94 –2.52] | 1.08 | [0.49 –2.39] |
eGFR | ||||||||
  > 20 mL/min | 1.00 |  | 1.00 |  | 1.00 |  | 1.00 |  |
  < 20 mL/min | 1.30 | [0.77 –2.2] | 6.93 | [3.96 –12.13] | 0.85 | [0.49 –1.48] | 6.04 | [3.39 –10.74] |