Table 2.
Biological baseline characteristics and conditions of dialysis initiation according to age and period
| |
<75 yr |
≥75 yr |
|
||||
|---|---|---|---|---|---|---|---|
| |
2002-2004 |
2005-2007 |
P1 |
2002-2004 |
2005-2007 |
P2 |
P3 |
| (n = 197) | (n = 146) | (n = 96) | (n = 118) | ||||
|
Serum albumin |
|
|
NS |
|
|
0.027* |
NS |
| <35 g/l |
63(32.0) |
51(34.9) |
|
44(45.8) |
50(42.4) |
|
|
| ≥35 g/l |
78(39.6) |
61(41.8) |
|
21(21.9) |
44(37.3) |
|
|
| Missing |
56(28.4) |
34(23.3) |
|
31(32.3) |
24(20.3) |
|
|
|
Body mass index |
|
|
NS |
|
|
NS |
NS |
| <18, 5 kg/m2 |
9(4.7) |
5(3.6) |
|
2(2.3) |
7(6.1) |
|
|
| 18, 5–25 kg/m2 |
98(51.0) |
67(47.9) |
|
51(60.0) |
64(56.1) |
|
|
| ≥18,5 kg/m2 |
85(44.3) |
68(48.6) |
|
32(37.6) |
43(37.7) |
|
|
|
Baseline eGFR |
|
|
NS |
|
|
0.047* |
0.08 |
| <7 ml/min/1.73 m2 |
103(52,3) |
59(40,4) |
|
31(32,3) |
46(39,0) |
|
|
| 7–10 ml/min/1.73 m2 |
47(23,9) |
46(31,5) |
|
26(27,1) |
38(32,2) |
|
|
| ≥10 ml/min/1.73 m2 |
32(16.2) |
32(21.9) |
|
28(29.2) |
31(26.3) |
|
|
| Missing |
15(7.6) |
9(6.2) |
|
11(11.5) |
3(2.5) |
|
|
|
Pre-dialysis anemia care |
|
|
|
|
|
|
|
| Hemoglobin |
|
|
NS |
|
|
<0.001* |
0.005* |
| <11 g/dl |
112(56.9) |
77(52.7) |
|
42(43.7) |
74(62.7) |
|
|
| ≥11 g/dl |
63(32.0) |
57(39.0) |
|
3637.5) |
41(34.7) |
|
|
| Missing |
22(11.2) |
12(8.2) |
|
18(18.7) |
3(2.5) |
|
|
| Pre-dialysis ESA treatment |
93(47.2) |
85(57.8) |
0.044* |
51(53.1) |
67(56.8) |
NS |
NS |
|
First treatment modality |
|
|
0.004* |
|
|
NS |
NS |
| Peritoneal dialysis |
39(19.8) |
17(11.6) |
|
35(36.5) |
32(27.1) |
|
|
| Hemodialysis with fistula |
77(39.1) |
74(50.7) |
|
18(18.7) |
36(30.5) |
|
|
| Hemodialysis without fistula |
81(41.1) |
55(37.7) |
|
43(44.8) |
50(42.4) |
|
|
| In urgency | 39(19.8) | 25(17.1) | NS | 16(16.7) | 19(16.1) | NS | NS |
P1. P-value <75 years (2002-2004 vs 2005-2007).
P2. P-value ≥75 years (2002-2004 vs 2005-2007).
P3. P-value Age x Period.
eGFR Estimated glomerular filtration rate, ESA erythropoietin-stimulating agent, NS Not Significant (with p>0.1).