Table 5.
Adjusted associations between scoring system components and ischemia time or peri-operative change in creatinine.
| Variable |
Multivariable analysis
|
|||
|---|---|---|---|---|
|
Ischemia time
|
Change in creatinine
|
|||
| Coefficient (95%CI) | p value | Coefficient (95%CI) | p value | |
| NEPHROMETRY score | ||||
| Diameter (cm) | ||||
| ≤4 vs. 5–6 | −0.2 (−9.5, 8.9) | 1.0 | −18.9 (−39.7, 1.9) | 0.07 |
| Exophytic/Endophytic | ||||
| ≥50% exophytic vs. <50% exophytic | 0.8 (−5.0, 6.7) | 0.8 | −1.7 (−14.8, 11.3) | 0.8 |
| ≥50% exophytic vs. Entirely endophytic | 9.5 (−13.6, 32.6) | 0.4 | −22.7 (−61.1.3, 15.6) | 0.2 |
| <50% exophytic vs. Entirely endophytic | 8.7 (−13.9, 31.2) | 0.4 | −21.0 (−57.5, 15.4) | 0.3 |
| Nearness (mm) | ||||
| ≥ 7 vs. >4 <7 | 0.5 (−7.8, 8.8) | 0.9 | −2.3 (−21.0, 16.4) | 0.8 |
| ≥ 7 vs. ≤4 | −6.3 (−13.1, 0.6) | 0.07 | −1.8 (−17.2, 13.6) | 0.8 |
| >4 <7 vs. ≤4 | −6.8 (−15.8, 2.2) | 0.1 | 0.5 (−19.8, 20.8) | 1.0 |
| Polar location (relative to polar lines) | ||||
| Entirely above polar line vs. Crosses polar line | −1.8 (−8.5, 4.9) | 0.6 | 0.9 (−13.9, 15.7) | 0.9 |
| Entirely above polar line vs. >50% across polar line or crosses axial midline or entirely between polar lines | −1.8 (−8.0, 4.4) | 0.6 | 8.1 (−5.5, 21.6) | 0.2 |
| Crosses polar line vs. >50% across polar line or crosses axial midline or entirely between polar lines | −0.01 (−7.0, 7.0) | 1.0 | 7.2 (−8.3, 22.6) | 0.4 |
|
| ||||
| PADUA score | ||||
| Diameter (cm) | ||||
| ≤4 vs. 5–6 | −3.6 (−12.5, 5.4) | 0.4 | −20.2 (−40.2, −0.5) | 0.06 |
| Polar location | ||||
| Superior/inferior vs. Middle | −1.5 (−6.5, 3.5) | 0.5 | 2.4 (−8.7, 13.7) | 0.7 |
| Exophytic rate | ||||
| ≥50% exophytic vs. <50% exophytic | −1.3.6 (−6.8, 4.3) | 0.7 | −4.1 (−17.0, 8.7) | 0.5 |
| ≥50% exophytic vs. Entirely endophytic | 8.4 (−15.7, 32.6) | 0.5 | −33.4.0 (−72.8, 5.9) | 0.09 |
| <50% exophytic vs. Entirely endophytic | 9.7 (−13.7, 33.1) | 0.4 | −29.3 (−66.8, 8.2) | 0.1 |
| Renal rim | ||||
| Lateral vs. Medial | −7.6 (−13.0, −2.3) | 0.006 | 6.2 (−6.1, 18.5) | 0.3 |
| Renal sinus | ||||
| Not involved vs. Involved | −0.3 (−10.7, 10.2) | 1.0 | 14.2 (−9.1, 37.5) | 0.2 |
| Urinary collecting system | ||||
| Not involved vs. Involved | −0.5 (−11.3, 10.4) | 1.0 | −15.5 (−39.2, 8.3) | 0.2 |
| C index | ||||
| Horizontal distance - x (cm) | −4.6 (−9.9, 0.7) | 0.09 | −0.1 (−11.8, 11.6) | 1.0 |
| Vertical distance - y (cm) | −3.4 (−8.3, 1.6) | 0.2 | 7.3 (−3.8, 18.3) | 0.2 |
| Diameter | 2.1 (0.3, 3.9) | 0.02 | 4.7 (0.7, 8.6) | 0.02 |
| C | 3.9 (−3.3, 11.1 | 0.3 | −10.6 (−26.5, 5.4) | 0.2 |