Table 2.
Change in Renal Function According to Surgical Procedures.
| Rectal resection | Right colectomy | |||||
|---|---|---|---|---|---|---|
| Total | SPS | non-SPS | ||||
| n = 129 | n = 94 | n = 35 | p-value* | n = 127 | p value** | |
| Preoperative (baseline) | ||||||
| eGFR, mL/min/1.73 m2 | 82.7 (31.6–139.3) | 83.5 (41.7–137.7) | 78.7 (31.6–139.3) | 0.438 | 73.5 (31.3–355.6) | <0.001 |
| CKD (<60) | 18 (13.9) | 13 (13.8) | 5 (14.3) | 1 | 30 (23.6) | 0.055 |
| At 1.5 years | ||||||
| eGFR, mL/min/1.73 m2 | 74.4 (31.3–117.4) | 75 (38.4–117.4) | 65.5 (31.3–112.8) | 0.282 | 69.4 (30.2–287.3) | 0.004 |
| eGFR ratio | 0.9 (0.62–1.23) | 0.91 (0.63–1.23) | 0.89 (0.62–1.17) | 0.412 | 0.95 (0.68–1.26) | 0.008 |
| CKD (<60) | 29 (22.5) | 18 (19.1) | 11 (31.4) | 0.158 | 37 (29.1) | 0.254 |
| At 3 years | ||||||
| eGFR, mL/min/1.73 m2 | 70.7 (34–116.7) | 71.4 (34–110.5) | 67.3 (35.4–116.7) | 0.591 | 67.3 (22.8–260.1) | 0.034 |
| eGFR ratio | 0.85 (0.58–1.29) | 0.85 (0.64–1.24) | 0.87 (0.58–1.29) | 0.607 | 0.94 (0.55–1.34) | <0.001 |
| CKD (<60) | 38 (29.5) | 23 (24.5) | 15 (42.9) | 0.052 | 39 (30.7) | 0.892 |
Values in parentheses are percentages unless indicated otherwise. * SPS vs. non-SPS, ** rectal resection vs. right colectomy.
eGFR, estimated glomerular filtration rate; CKD, chronic kidney disease