Table 5.
Facility median (PTH, ferritin) and mean (dialysis treatment time) values in the US DOPPS sample at three time points (2010, 2012, and 2015)
Variable | US DOPPS Facility Percentiles | |||||
---|---|---|---|---|---|---|
N | 10th | 25th | 50th | 75th | 90th | |
Median PTH in facility, pg/ml | ||||||
August 2010 | 90 | 245 | 272 | 317 | 381 | 448 |
December 2012 | 189 | 285 | 317 | 390 | 451 | 547 |
April 2015 | 144 | 290 | 381 | 451 | 532 | 629 |
Median ferritin in facility, ng/ml | ||||||
August 2010 | 90 | 418 | 527 | 638 | 727 | 928 |
December 2012 | 189 | 528 | 654 | 765 | 905 | 1081 |
April 2015 | 144 | 469 | 621 | 756 | 952 | 1143 |
Mean treatment time in facility, min | ||||||
August 2010 | 90 | 194 | 205 | 215 | 227 | 234 |
December 2012 | 194 | 198 | 206 | 217 | 227 | 237 |
April 2015 | 146 | 204 | 212 | 219 | 227 | 234 |
PTH, parathyroid hormone; DOPPS, Dialysis Outcomes and Practice Patterns Study. Results modified from reference 27, with permission.