GFR and serum creatinine levels during follow-up period by mPERR status
| Number of years post biopsy | |||||
| 1 year | 2 years | 3 years | 4 years | 5 years | |
| N (%) | N (%) | N (%) | N (%) | N (%) | |
| GFR | |||||
| Responders* | 114 (67.1) | 105 (67.3) | 86 (68.3) | 71 (68.3) | 64 (70.3) |
| <60 mL/min/1.73 m2 | 4 (3.5) | 7 (6.7) | 6 (7.0) | 5 (7.0) | 5 (7.8) |
| ≥60 mL/min/1.73 m2 | 110 (96.5) | 98 (93.3) | 80 (93.0) | 66 (93.0) | 59 (92.2) |
| Non-responders* | 56 (32.9) | 51 (32.7) | 40 (31.7) | 33 (31.7) | 27 (29.7) |
| <60 mL/min/1.73 m2 | 24 (42.9) | 20 (39.2) | 15 (37.5) | 10 (30.3) | 7 (25.9) |
| ≥60 mL/min/1.73 m2 | 32 (57.1) | 31 (60.8) | 25 (62.5) | 23 (69.7) | 20 (74.1) |
| Serum creatinine | |||||
| Responders* | 114 (67.1) | 105 (67.3) | 86 (68.3) | 71 (68.3) | 64 (70.3) |
| <1.0 mg/dL | 88 (77.2) | 81 (77.1) | 56 (65.1) | 45 (63.4) | 41 (64.1) |
| ≥1.0 mg/dL | 26 (22.8) | 24 (22.9) | 30 (34.9) | 26 (36.6) | 23 (35.9) |
| Non-responders* | 56 (32.9) | 51 (32.7) | 40 (31.7) | 33 (31.7) | 27 (29.7) |
| <1.0 mg/dL | 22 (39.3) | 22 (43.1) | 22 (55.0) | 18 (54.6) | 14 (51.9) |
| ≥1.0 mg/dL | 34 (60.7) | 29 (56.9) | 18 (45.0) | 15 (45.5) | 13 (48.2) |
*Denominator for percentage is the total number of patients with available laboratory results for each respective year.
GFR, glomerular filtration rate; mPERR, modified primary efficacy renal response.