| | Characteristic | Frequency | % | | 9,707 | 100.0% |
| | Age | | | | 18–49 | 2,080 | 21.43% | | 50–64 | 3,073 | 31.66% | | 65–74 | 2,278 | 23.47% | | ≥75 | 2,276 | 23.45% | | Gender | | | | Male | 4,587 | 47.3% | | Female | 5,120 | 52.7% | | Race | | | | Black | 3,903 | 40.2% | | White | 5,158 | 53.1% | | Other | 646 | 6.7% | | Underlying cause of renal failure | | | | Diabetes | 4,456 | 45.9% | | Hypertension | 2,678 | 27.6% | | Glomerulonephritis | 977 | 10.1% | | Other/unknown | 1,596 | 16.4% | | Charlson comorbidity index score distribution | | | | 0 | 4,038 | 41.6% | | 1-2 | 2,068 | 21.3% | | 3-4 | 2,058 | 21.2% | | ≥5 | 1,543 | 15.90% | | ESRD network* | | | | 01-02 (CT, MA, ME, NH, NY, RI, VT) | 458 | 4.7% | | 03-04 (DE, NJ, PA) | 416 | 4.3% | | 05 (DC, MD, VA, WV) | 1,018 | 10.5% | | 06 & 08 (AL, GA, MS, NC, SC, TN) | 1,222 | 12.6% | | 07 (FL) | 789 | 8.1% | | 09-10 (IL, IN, KY, OH) | 787 | 8.1% | | 11 (MI, MN, ND, SD, WI) | 763 | 7.9% | | 12 (IA, KS, MO, NE) | 375 | 3.9% | | 13 (AR, LA, OK) | 392 | 4.0% | | 14 (TX) | 1,095 | 11.3% | | 15 (AZ, CO, NM, NV, UT, WY) | 581 | 6.0% | | 16-17 (AK, CA, HI, ID, MT, NoCA, OR, WA) | 824 | 8.5% | | 18 (SoCal) | 987 | 10.2% |
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