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Table 1 Baseline clinical characteristics

From: Impact of partial nephrectomy on kidney function in patients with renal cell carcinoma

  All patients (n = 557) RN (n = 339) PN (n = 218) P value
Age (years) 60.7 ± 12.3 61.0 ± 12.8 60.3 ± 11.4 0.495
Male (%) 393 (70.6) 234 (69.0) 159 (72.9) 0.323
Systolic blood pressure (mmHg) 132 ± 14 133 ± 14 130 ± 14 0.027
Diastolic blood pressure (mmHg) 83 ± 10 84 ± 10 82 ± 10 0.015
Body mass index (kg/m2) 24.4 ± 3.1 24.4 ± 3.1 24.3 ± 3.0 0.748
Diabetes (%) 89 (15.9) 55 (16.1) 34 (15.7) 0.885
Hypertension (%) 220 (39.4) 139 (40.8) 81 (37.3) 0.418
Coronary artery disease (%) 25 (4.5) 13 (3.8) 12 (5.5) 0.339
Cerebral vascular disease (%) 15 (2.7) 7 (2.1) 8 (3.7) 0.247
History of Smoking (%)     0.061
Never smoked 342 (61.4) 203 (59.9) 139 (63.8) 0.359
Ex-smoker 104 (18.7) 58 (17.1) 46 (21.1) 0.238
Current smoker 111 (19.9) 78 (23.0) 33 (15.1) 0.023
Hemoglobin (mg/dL) 13.9 ± 1.7 13.8 ± 1.7 14.1 ± 1.5 0.097
Urine protein (grade)a     0.124
0 482 (86.7) 286 (84.6) 196 (89.9) 0.073
1-2 51 (9.2) 32 (9.5) 19 (8.8) 0.764
3-4 23 (4.2) 20 (5.9) 3 (1.4) 0.008
Baseline creatinine (mg/dL) 0.95 ± 0.23 0.97 ± 0.25 0.93 ± 0.18 0.021
Baseline eGFRb 81.5 ± 16.7 80.1 ± 17.6 83.9 ± 15.1 0.007
  1. aDip-stick test.
  2. beGFR (mL/min/1.73 m2) calculated using the Chronic Kidney Disease-Epidemiology Collaboration equation.
  3. Abbreviations: eGFR estimated glomerular filtration rate, RN radical nephrectomy, PN partial nephrectomy.