Table 2 Patient characteristics by target weight achievement group as of the first reporting month in 2012a
From: Target weight achievement and ultrafiltration rate thresholds: potential patient implications
Characteristic | Achieved target weightb (n = 104,377) | Missed target weightc (n = 47,819) | Below target weightd (n = 17,466) | Above target weighte (n = 30,353) |
|---|---|---|---|---|
Post-dialysis weight and target weight difference | ||||
Mean ± SD | 0.0 ± 0.5; | 0.6 ± 3.3; | −2.7 ± 2.4; | 2.5 ± 1.9; |
Median [Q1, Q3] | 0.0 [−0.3, 0.4] | 1.3 [−1.5, 2.2] | −1.9 [−3.2, −1.3] | 1.9 [1.4, 2.9] |
Age (years) | 62.9 ± 15.0 | 61.0 ± 14.9 | 62.5 ± 15.0 | 60.2 ± 14.8 |
Female sex | 46,842 (44.9) | 21,604 (45.2) | 8100 (46.4) | 13,504 (44.5) |
Black race | 37,129 (35.6) | 18,210 (38.1) | 6399 (36.6) | 11,811 (38.9) |
Hispanic ethnicity | 18,268 (17.5) | 8079 (16.9) | 3039 (17.4) | 5040 (16.6) |
Time on dialysis | ||||
< 1 years | 33,105 (31.7) | 16,770 (35.1) | 7904 (45.3) | 8866 (29.2) |
1–5 years | 45,341 (43.4) | 20,371 (42.6) | 6216 (35.6) | 14,155 (46.6) |
> 5 years | 25,931 (24.8) | 10,678 (22.3) | 3346 (19.2) | 7332 (24.2) |
Access type | ||||
Graft | 18,840 (18.1) | 8222 (17.2) | 2675 (15.4) | 5547 (18.3) |
Fistula | 58,615 (56.2) | 23,714 (49.7) | 7417 (42.6) | 16,297 (53.8) |
Catheter | 26,764 (25.7) | 15,781 (33.1) | 7330 (42.1) | 8451 (27.9) |
Pre-dialysis SBP | ||||
< 100 mmHg | 1202 (1.2) | 832 (1.7) | 347 (2.0) | 485 (1.6) |
100–129 mmHg | 19,979 (19.1) | 10,036 (21.0) | 4000 (22.9) | 6036 (19.9) |
130–159 mmHg | 50,801 (48.7) | 21,782 (45.6) | 8009 (45.9) | 13,773 (45.4) |
≥ 160 mmHg | 32,388 (31.0) | 15,163 (31.7) | 5108 (29.2) | 10,055 (33.1) |
History of heart failure | 25,204 (24.1) | 12,679 (26.5) | 3417 (19.6) | 9262 (30.5) |
History of diabetes | 42,687 (40.9) | 20,335 (42.5) | 6144 (35.2) | 14,191 (46.8) |
Post-dialysis weight (kg) | 78.7 ± 21.5 | 83.9 ± 25.0 | 80.0 ± 23.5 | 86.2 ± 25.6 |
Prescribed TT <240 min | 74,970 (71.8) | 31,982 (66.9) | 12,157 (69.6) | 19,825 (65.3) |
UF volume (L) | 2.4 ± 1.2 | 2.7 ± 1.7 | 2.3 ± 1.8 | 2.9 ± 1.5 |
Prescribed UF rate (mL/h/kg) | 8.6 ± 4.5 | 9.3 ± 5.6 | 7.7 ± 6.0 | 10.2 ± 5.2 |
Missed treatments ≥3 | 11,307 (10.8) | 7921 (16.6) | 3686 (21.1) | 4235 (14.0) |
eKt/V | 1.7 ± 0.3 | 1.6 ± 0.3 | 1.6 ± 0.3 | 1.6 ± 0.3 |