Table 1.
Patient demographics by group
| Overall (n = 5238) | Potential Kidney Donors (n = 583) | Postnephrectomy Kidney Donors (n = 97) | Native CKD Patients (n = 2324) | Kidney Recipients (n = 1375) | Other Organ Recipients (n = 859) | |
|---|---|---|---|---|---|---|
| Mean age (SD) | 56.1 (14.8) | 45.4 (12.1) | 53.2 (10.9) | 59.8 (15.4) | 54.1 (13.9) | 57.1 (12.2) |
| Age <40 years, n (%) | 765.0 (15%) | 188.0 (32%) | 9.0 (9%) | 265.0 (11%) | 219.0 (16%) | 84.0 (10%) |
| Age >70 years, n (%) | 984.0 (19%) | 7.0 (1%) | 8.0 (8%) | 660.0 (28%) | 198.0 (14%) | 111.0 (13%) |
| Male, n (%) | 2900.0 (55%) | 256.0 (44%) | 36.0 (37%) | 1307.0 (56%) | 787.0 (57%) | 514.0 (60%) |
| African American race, n (%) | 98.0 (2%) | 16.0 (3%) | 2.0 (2%) | 48.0 (2%) | 22.0 (2%) | 10.0 (1%) |
| Mean height, cm (SD) | 171.5 (10.2) | 171.8 (9.7) | 170.9 (8.8) | 171.2 (10.3) | 171.5 (10.4) | 172.2 (10.1) |
| Mean weight, kg (SD) | 85.6 (21.4) | 82.8 (16.5) | 81.2 (18.8) | 87.1 (22.2) | 86.2 (22.3) | 82.8 (20.3) |
| Mean body mass index, kg/m2 (SD) | 29.0 (6.4) | 28.0 (4.7) | 27.7 (5.3) | 29.6 (6.7) | 29.2 (6.6) | 27.8 (5.8) |
| Mean serum creatinine concentration, mg/dl (SD) | 1.64 (1.06) | 0.91 (0.17) | 1.21 (0.26) | 2.04 (1.37) | 1.48 (0.62) | 1.36 (0.52) |
| Mean creatinine clearance, ml/min per 1.73 m2 (SD) | 64.6 (31.4) | 101.8 (21.6) | 70.4 (20.2) | 56.1 (32.4) | 62.7 (23.6) | 65.1 (28.3) |
| Mean eGFR by MDRD equation, ml/min per 1.73 m2 (SD) | 51.8 (25.2) | 79.7 (15.4) | 54.8 (13.1) | 43.9 (26.9) | 50.4 (18.0) | 55.8 (22.4) |
| Mean eGFR by CKD-EPI equation, ml/min per 1.73 m2 (SD) | 55.2 (27.2) | 88.7 (16.3) | 60.1 (15.6) | 45.8 (28.3) | 53.9 (18.9) | 59.3 (23.4) |
| Mean mGFR, ml/min per 1.73 m2 (SD) | 55.9 (29.7) | 98.9 (20.1) | 65.8 (17.4) | 46.2 (29.5) | 52.3 (19.5) | 57.3 (24.1) |
| Percentage of eGFR by MDRD equation within 30% of mGFR | 77.6% | 75.8% | 82.5% | 75.2% | 80.1% | 80.6% |
| Percentage of eGFR by CKD-EPI equation within 30% of mGFR | 78.4% | 88.7% | 93.8% | 75.0% | 78.4% | 78.5% |
CKD-EPI, Chronic Kidney Disease Epidemiology Collaboration; MDRD, Modification of Diet in Renal Disease; eGFR, estimated GFR; mGFR, measured GFR.