Table 3. Long-Term Renal Functional Outcomes (N = 68).
| Outcome | RN group (N = 31) | PN group (N = 37) | P-value |
|---|---|---|---|
| Mean follow-up duration | 45.7 ± 15.8 months | ||
| Pre-operative eGFR (baseline) (mL/min/1.73 m2) | 49.8 ± 6.7 | 48.8 ± 11.1 | 0.522 |
| Long-term eGFR (endpoint) (mL/min/1.73 m2) | 26.5 ± 7.3 | 36.8 ± 10.8 | - |
| Total eGFR decline (mL/min/1.73 m2) | −23.3 ± 6.0 | −13.2 ± 3.5 | < 0.001 |
| CKD stage progression rate in F/U (%) | 100% (31/31) | 62.2% (23/37) | 0.004 |
| Subgroup: pre-operative eGFR ≥ 45 mL/min/1.73 m2 | RN group (N = 23) | PN group (N = 27) | P-value |
| Pre-operative eGFR (baseline) (mL/min/1.73 m2) | 53 ± 3.9 | 54.5 ± 4.1 | 0.124 |
| Long-term eGFR (endpoint) (mL/min/1.73 m2) | 28.3 ± 7.2 | 41.0 ± 6.9 | - |
| eGFR decline (mL/min/1.73 m2) | −24.7 ± 5.3 | −13.5 ± 3.8 | < 0.001 |
| Subgroup: pre-operative eGFR < 45 mL/min/1.73 m2 | RN group (N = 8) | PN group (N = 10) | P-value |
| Pre-operative eGFR (baseline) (mL/min/1.73 m2) | 40.5 ± 3.5 | 33.2 ± 8.7 | 0.083 |
| Long-term eGFR (endpoint) (mL/min/1.73 m2) | 21.3 ± 5.1 | 20.8 ± 8.3 | |
| eGFR decline (mL/min/1.73 m2) | −19.3 ± 6.5 | −12.4 ± 2.5 | 0.002 |
This table demonstrates the long-term functional advantage of PN over RN, particularly regarding the magnitude of eGFR decline. eGFR: estimated glomerular filtration rate; PN: partial nephrectomy; RN: radical nephrectomy.