Table 1 Baseline characteristics according to type of vascular access.
Total (n = 23,100) | Type of vascular access | P | |||
|---|---|---|---|---|---|
AVF (n = 14,847) | AVG (n = 3,906) | CVC (n = 4,347) | |||
Demographic data | |||||
Age, years | 73.7 ± 6.0 | 73.0 ± 5.7 | 74.3 ± 5.9 | 75.9 ± 6.6 | <0.001 |
Gender, male | 12,948 (56.1) | 8,672 (58.4) | 2,037 (52.2) | 2,239 (51.5) | <0.001 |
BMI, kg/m2 | 22.2 ± 4.3 | 22.3 ± 3.8 | 21.9 ± 3.2 | 21.8 ± 6.7 | <0.001 |
Dialysis vintage, year | 3.8 ± 3.3 | 4.2 ± 3.4 | 3.7 ± 3.2 | 2.5 ± 2.6 | <0.001 |
nPCR, g/kg/day | 0.4 ± 0.9 | 0.4 ± 0.9 | 0.3 ± 0.6 | 0.3 ± 0.6 | <0.001 |
Single-pool Kt/V | 1.49 [1.28–1.78] | 1.49 [1.28–1.77] | 1.53 [1.32–1.79] | 1.49 [1.26–1.82] | 0.07 |
SBP, mmHg | 138.9 ± 24.3 | 138.8 ± 24.9 | 139.8 ± 24.6 | 138.2 ± 21.2 | 0.08 |
DBP, mmHg | 73.4 ± 16.3 | 13.6 ± 14.6 | 72.6 ± 23.9 | 73.7 ± 12.3 | 0.03 |
Functional status | <0.001 | ||||
Inability to ambulate | 1,508 (11.1) | 603 (7.0) | 268 (11.1) | 637 (24.2) | |
Need of assistance with daily activities | 4,394 (32.3) | 2,441 (28.5) | 873 (36.3) | 1,080 (41.0) | |
Independently living | 7,696 (56.2) | 5,514 (64.4) | 1,266 (52.6) | 916 (34.8) | |
Etiology of ESRD | <0.001 | ||||
Diabetic nephropathy | 11,804 (51.1) | 7,696 (51.8) | 2,047 (52.4) | 2,061 (47.4) | |
Hypertension | 5,436 (23.5) | 3,482 (23.5) | 954 (24.4) | 1,000 (23.0) | |
Glomerulonephritis | 1,327 (5.7) | 920 (6.2) | 166 (4.2) | 241 (5.5) | |
Polycystic kidney disease | 275 (1.2) | 198 (1.3) | 44 (1.1) | 33 (0.8) | |
Other | 1,329 (5.8) | 741 (5.0) | 204 (5.2) | 384 (8.8) | |
Unknown | 2,929 (12.7) | 1,810 (12.2) | 491 (12.6) | 628 (14.4) | |
sCCI | 5.8 ± 1.1 | 5.7 ± 1.1 | 5.9 ± 1.1 | 6.0 ± 1.2 | <0.001 |
Comorbidities | |||||
Hypertension | 11,804 (51.1) | 7,696 (51.8) | 2,047 (52.4) | 2,061 (47.4) | <0.001 |
Diabet®es | 9,027 (39.1) | 5,984 (40.3) | 1,604 (41.1) | 1,439 (33.1) | <0.001 |
Coronary artery disease | 3,136 (13.6) | 2,077 (14.0) | 538 (13.8) | 521 (12.0) | 0.002 |
Congestive heart failure | 1,563 (6.8) | 968 (6.5) | 279 (7.1) | 316 (7.3) | 0.05 |
Cerebrovascular disease | 1,428 (6.2) | 867 (5.8) | 254 (6.5) | 307 (7.1) | 0.002 |
Malignancy | 656 (2.8) | 413 (2.8) | 99 (2.5_ | 144 (3.3) | 0.14 |
Laboratory findings | |||||
Hemoglobin, g/dL | 10.1 ± 3.0 | 10.2 ± 3.2 | 10.2 ± 3.2 | 9.8 0 ± 1.4 | <0.001 |
Albumin, g/dL | 3.8 ± 0.6 | 3.9 ± 0.6 | 3.8 ± 0.6 | 3.5 ± 0.7 | <0.001 |
Total cholesterol, mg/dL | 142.7 ± 39.5 | 142.5 ± 38.7 | 142.7 ± 38.9 | 143.5 ± 42.7 | 0.55 |
HbA1c, % | 6.6 ± 7.2 | 6.7 ± 8.5 | 6.4 ± 2.5 | 6.3 ± 4.7 | 0.19 |
Calcium, mg/dL | 8.7 ± 0.8 | 8.7 ± 0.9 | 8.7 ± 0.8 | 8.5 ± 0.9 | <0.001 |
Phosphorous, mg/dL | 4.3 ± 1.4 | 4.4 ± 1.4 | 4.2 ± 1.4 | 4.0 ± 1.5 | <0.001 |
intact-PTH, pg/mL | 160.0 ± 148.7 | 162.6 ± 152.8 | 150.1 ± 132.4 | 159.9 ± 148.2 | 0.001 |
