Table 3 Comparison of the baseline characteristics (extracted from the REIN registry) of matched and unmatched patients with incident ESRD (2014 and 2015)
Unmatched patients | All matched patients | All matched dialysis patients | |||
|---|---|---|---|---|---|
N = 2850 | N = 19,223 | N = 15,057 | |||
n (%) | n (%) | p-valuea | n (%) | p-valuea | |
Age group | |||||
00–19 | 28 (1) | 227 (1.2) | < 0.001 | 16 (0.1) | < 0.001 |
20–44 | 193 (6.8) | 1767 (9.2) | 623 (4.1) | ||
45–64 | 703 (24.7) | 5164 (26.9) | 3270 (21.7) | ||
65–74 | 690 (24.2) | 4671 (24.3) | 3934 (26.1) | ||
75–84 | 867 (30.4) | 5430 (28.2) | 5263 (35.0) | ||
≥ 85 | 363 (12.7) | 1954 (10.2) | 1951 (13.0) | ||
Sex (Women) | 1096 (38.5) | 6948 (36.1) | 0.01 | 5452 (36.2) | 0.07 |
Diabetes (yes) | 1282 (45) | 8234 (42.8) | 0.02 | 7372 (49.4) | 0.1 |
Missing | 33 (1.2) | 167 (0.9) | 124 (0.8) | ||
Cardiovascular diseases | < 0.001 | 0.028 | |||
None | 991 (34.8) | 7576 (39.4) | 5146 (34.2) | ||
At least 1 | 1697 (59.5) | 10,198 (53.1) | 9330 (62.0) | ||
Missing | 162 (5.7) | 1449 (7.5) | 581 (3.9) | ||
Primary renal disease | < 0.001 | < 0.001 | |||
Glomerulonephritis | 267 (9.4) | 2296 (11.9) | 1347 (9.0) | ||
Vascular nephropathy | 788 (27.6) | 4988 (25.9) | 4464 (29.7) | ||
Diabetic nephropathy | 589 (20.7) | 4277 (22.2) | 3811 (25.3) | ||
Other or Unknown | 1200 (42.1) | 7652 (39.8) | 4349 (28.9) | ||
Missing | 6 (0.2) | 10 (0.1) | 0 (0) | ||
First RRT | < 0.001 | < 0.001 | |||
Hemodialysis | 2291 (80.4) | 16,623 (86.5) | 13,833 (91.9) | ||
Peritoneal dialysis | 524 (18.4) | 1768 (9.2) | 1224 (8.1) | ||
Renal transplantation | 29 (1) | 822 (4.3) | 0 (0) | ||
Missing | 6 (0.2) | 10 (0.1) | 0 (0) | ||
RRT initiation condition | < 0.001 | < 0.001 | |||
Planned start | 1668 (58.5) | 12,025 (62.6) | 9580 (63.6) | ||
Emergency start | 933 (32.7) | 5335 (27.8) | 4633 (30.8) | ||
Missing | 249 (8.7) | 1863 (9.7) | 844 (5.6) | ||
Treatment center region | < 0.001 | < 0.001 | |||
Auvergne Rhone Alpes | 591 (20.7) | 1962 (10.2) | 1479 (9.8) | ||
Bourgone Franche Comté | 122 (4.3) | 744 (3.9) | 596 (4.0) | ||
Bretagne | 200 (7) | 715 (3.7) | 525 (3.5) | ||
Centre-Val de Loire | 69 (2.4) | 775 (4) | 587 (3.9) | ||
Corse | 6 (0.2) | 81 (0.4) | 70 (0.5) | ||
Grand Est | 246 (8.6) | 1783 (9.3) | 1502 (10.0) | ||
Hauts de France | 174 (6.1) | 1907 (9.9) | 1640 (10.9) | ||
Ile-de-France | 493 (17.3) | 3396 (17.7) | 2519 (16.7) | ||
Normandie | 119 (4.2) | 961 (5) | 732 (4.9) | ||
Nouvelle Aquitaine | 131 (4.6) | 1690 (8.8) | 1291 (8.6) | ||
Occitanie | 221 (7.8) | 1704 (8.9) | 1332 (8.9) | ||
Pays de la Loire | 87 (3.1) | 894 (4.7) | 622 (4.1) | ||
Provence-Alpes-Côte d’Azur | 189 (6.6) | 1779 (9.3) | 1433 (9.5) | ||
Overseas territories | 196 (6.9) | 822 (4.3) | 729 (4.9) | ||