Applicability of 14 Formulas for Estimating Glomerular Filtration Rate in the Evaluation of Renal Function before and after Nephron-Sparing Surgery in Patients with Renal Tumors
Table 1
Basic characteristics of the 50 patients.
Characteristic (n = 50)
Male
Female
N
22
28
Age (years)
17–80
29–73
Average age (years)
53.8 ± 10.2
50.0 ± 10.5
Height (cm)
171.6 ± 6.1
159.0 ± 4.1
Weight (kg)
70.4 ± 9.2
57.4 ± 6.6
Plasma creatinine (mg/dl)
0.94 ± 0.086
0.75 ± 0.089
Plasma urea nitrogen (mg/dl)
98.9 ± 21.5
91.1 ± 18.5
Plasma albumin (g/dl)
440.0 ± 20.0
433.2 ± 26.3
rGFR (ml/min/1.73 m−2)
90.04 ± 15.42
91.72 ± 19.67
Tumor size (cm)
3.3 (1.3–10.5)
4.1 (0.8–8.0)
rGFR category
rGFR ≥ 90
10
14
60 ≤ rGFR < 90
12
11
rGFR < 60
—
3
Pathologic type
Angiomyolipoma (AML)
3
11
chRCC
2
—
ccRCC
16
13
Mucinous tubular and spindle cell carcinoma
—
1
ESC RCC
1
—
RNET
—
1
Others
—
2
RGFR, reference glomerular filtration rate; tumor size, the maximum diameter of the tumor; AML, angiomyolipoma; chRCC, chromophobe renal cell carcinoma; ccRCC, clear cell renal cell carcinoma; ESC RCC, eosinophilic solid and cystic renal cell carcinoma; RNET, renal neuroendocrine tumor.