Table 2 Perioperative and pathological data of patients who received RLRN or TLRN

Laparoscopic operative time^d, min, median (IQR)

85(61.5–116)

89(69.5–120)

0.737^c

Total operative time, min, median (IQR)

150(117.5 ~ 180)

142.5(120 ~ 177.5)

0.945^c

EBL, ml, median (IQR)

50(30 ~ 115)

100(32.5 ~ 200)

0.226^c

Open conversion, n (%)

3(5)

2(3.3)

1.000^a

Blood transfusion, n (%)

6(10)

4(6.7)

0.741^a

Integrity score^e, pts, mean (SD)

2.98(1.36)

4(1.34)

0.000^b

Integrity score^e, n(%)

0.009^a

 1

5(9.8)

1(1.9)

 2

18(35.3)

8(15.1)

 3

12(23.5)

8(15.1)

 4

8(15.7)

18(33.9)

 5

5(9.8)

9(17)

 6

3(5.9)

9(17)

Pathology, n (%)

0.151^a

 ccRCC

56(93.3)

49(81.7)

 pRCC

1(1.7)

4(6.7)

 chRCC

1(1.7)

5(8.3)

 Other

2(3.3)

2(3.3)

Pathological stage, n (%)

0.676^a

 pT1a

10(16.7)

6(10)

 pT1b

26(43.3)

29(48.3)

 pT2a

13(21.7)

10(16.7)

 pT2b

5(8.3)

8(13.3)

 pT3a

6(10)

7(11.7)

Upstaging to pT3a, n (%)

6(10)

7(11.7)

0.769^a

AEs, n (%)

0.746^a

 Vascular injury

5(8.3)

3(5)

 Liver injury

0(0)

1(1.7)

 Spleen injury

0(0)

1(1.7)

 Pleura injury

1(1.7)

0(0)

 Other

3(5)

2(3.3)

Intake time, d, mean (SD)

2.18(0.70)

2.08(0.67)

0.426^b

Time of drainage, d, mean (SD)

4.12(1.22)

4.13(1.47)

0.946^b

PLOS, day, mean (SD)

6.78(2.09)

6.83(1.94)

0.892^b

Total hospitalization charges, $, median (IQR)

3565.8 (3211.8 ~ 3927)

3536.5 (3229.8 ~ 4088.2)

0.704^c