Table 2.
Characteristic | Excellent rating N (%) |
Other rating N (%) |
Unadjusted OR | Clustering and case mix adjusted OR |
---|---|---|---|---|
Age, years | ||||
18–49 | 183 (19.1) | 300 (28.1) | 1.00 (reference) | 1.00 |
50–59 | 146 (15.3) | 215 (20.1) | 1.11 (0.84 to 1.47) | 1.01 (0.70 to 1.44) |
59–69 | 221 (23.1) | 218 (20.4) | 1.66 (1.28 to 2.16) | 1.18 (0.82 to 1.69) |
≥70 | 406 (42.5) | 335 (31.4) | 1.99 (1.57 to 2.51) | 1.44 (1.01 to 2.04) |
Male gender | 466 (46.1) | 483 (43.1) | 1.13 (0.95 to 1.34) | 1.12 (0.88 to 1.44) |
Highest school education, years | ||||
≤5 | 465 (49.0) | 375 (35.8) | 1.72 (1.44 to 2.06) | 0.95 (0.74 to 1.21) |
>5 | 485 (51.1) | 673 (64.2) | 1.00 (reference) | 1.00 |
Occupational status | ||||
Employed | 120 (12.0) | 209 (19.0) | 0.59 (0.46 to 0.75) | 0.79 (0.56 to 1.12) |
Unemployed or pension | 876 (88.0) | 893 (81.0) | 1.00 | 1.00 |
Married | 601 (59.4) | 693 (61.8) | 0.91 (0.76 to 1.08) | 0.86 (0.67 to 1.10) |
Distance of housing from dialysis unit, km | ||||
<20 | 741 (73.9) | 792 (72.5) | 1.00 | 1.00 |
>20 | 262 (26.1) | 300 (27.5) | 0.93 (0.77 to 1.13 | 1.18 (0.91 to 1.54) |
Waiting list for kidney transplant | 131 (13.0) | 176 (15.7) | 0.80 (0.63 to 1.02) | 0.80 (0.56 to 1.14) |
Comorbid conditions | ||||
Diabetes mellitus | 249 (25.4) | 233 (21.6) | 1.24 (1.01 to 1.52) | 1.38 (0.78 to 2.46) |
Prior cardiovascular event | 248 (24.5) | 220 (19.6) | 1.33 (1.08 to 1.63) | 0.89 (0.63 to 1.26) |
Center for Epidemiological Studies-Depression Scale score | ||||
<18 | 472 (52.5) | 472 (47.2) | 1.00 (reference) | 1.00 (reference) |
≥18 | 427 (47.5) | 527 (52.8) | 0.81 (0.68 to 0.97) | 0.56 (0.44 to 0.71) |
Dialysis adequacy, single pool Kt/V | ||||
<1.4 | 202 (20.6) | 245 (22.2) | 1.00 (reference) | 1.00 |
≥1.4 | 778 (79.4) | 856 (77.8) | 1.10 (0.89 to 1.36) | 1.11 (0.83 to 1.49) |
Serum phosphorus, mmol/L | ||||
<1.45 | 516 (51.5) | 509 (45.9) | 1.00 (reference) | 1.00 |
≥1.45 | 486 (48.5) | 601 (54.1) | 0.80 (0.67 to 0.95) | 0.96 (0.76 to 1.23) |
Haemoglobin, g/L | ||||
<110 | 476 (47.6) | 537 (48.2) | 1.00 (reference) | 1.00 |
≥110 | 525 (52.4) | 578 (51.8) | 1.02 (0.86 to 1.22) | 0.90 (0.71 to 1.14) |
Albumin, g/dL | ||||
<3.8 | 371 (37.8) | 369 (33.7) | 1.00 (reference) | 1.00 |
3.8–4.0 | 277 (28.2) | 324 (29.6) | 0.85 (0.69 to 1.05) | 1.07 (0.80 to 1.42) |
≥4.1 | 333 (33.9) | 401 (36.6) | 0.83 (0.67 to 1.01 | 0.78 (0.58 to 1.05) |
Systolic blood pressure, mm Hg | ||||
≤120 | 270 (27.2) | 353 (32.1) | 1.00 (reference) | 1.00 |
121–140 | 404 (40.6) | 441 (40.0) | 1.20 (0.97 to 1.47) | 0.89 (0.67 to 1.19) |
≥140 | 320 (32.2) | 307 (27.9) | 1.36 (1.09 to 1.70) | 1.03 (0.76 to 1.40) |
Country | ||||
Poland | 48 (4.8) | 303 (27.0) | 0.09 (0.07 to 0.13) | – |
Argentina | 172 (17.0) | 372 (33.2) | 0.28 (0.22 to 0.35) | – |
Italy | 405 (40.1) | 242 (21.6) | 1.00 (reference) | – |
Hungary | 355 (35.1) | 198 (17.7) | 1.07 (0.85 to 1.36) | – |
Portugal | 31 (3.1) | 6 (0.5) | 3.09 (1.27 to 7.51) | – |
Clustering and case mix adjusted model controlled for age, gender, education level, occupational status, marital status, distance from dialysis centre, activity on transplant waiting list, comorbid conditions (diabetes, hypertension, cardiovascular event) depression score, cause of end-stage kidney disease, duration of dialysis per session and dialysis dose, dialysis adequacy (Kt/V), serum values (haemoglobin, phosphorus) and country.