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Table 1 Baseline characteristics of patients (n = 132)

From: Lower pole approach in retroperitoneal laparoscopic radical nephrectomy: a new approach for the management of renal vascular pedicle

 

LP group (n = 78)

LPS group (n = 54)

P value

Age (mean ± SD, year)

57.0 ± 2.1

57.1 ± 2.1

0.7884

Sex (M:F)

41/37

31/23

0.5990

BMI (mean ± SD, kg/m2)

27.0 ± 1.7

24.5 ± 1.5

< 0.0001

Size of tumor (mean ± SD, cm)

6.9 ± 3.5

4.1 ± 3.3

< 0.0001

Location of tumor (%)

  

0.0128

 Upper pole

18 (23.1)

15 (27.8)

0.5471

 Medial part

45 (57.7)

20 (37.0)

0.0223

 Lower pole

15 (19.2)

19 (35.2)

0.0451

Previous abdominal surgery (%)

3 (3.8)

1 (1.9)

0.6443

Concomitant conditions (%)

   

 Hypertension

20 (25.6)

12 (22.2)

0.6851

 Diabetes mellitus

20 (25.6)

10 (18.5)

0.4014

 Cardiovascular diseases

12 (15.4)

15 (27.8)

0.1234

  1. Student’s t test was used to analyze the data
  2. Note: LRN laparoscopic radical nephrectomy, LP lower pole, LPS lateroposterior space, BMI body mass index