Table 4 Final pathology outcomes and oncological outcomes in ELRC group versus TLRC group

 Local recurrence

1

3

0.636^b

 Distant metastasis

2

2

0.999^b

 Cancer-specific mortality for 2 years

2

3

0.999^b

 Non-cancer-specific mortality for 2 years

1

1

0.999^b

Pathology tumor stage, no. (%)

0.793^a

 pTis Ta

8

12

 pT1

17

24

 pT2a

16

15

 pT2b

5

10

 pT3a

2

3

 pT3b

_

1

 pT4a

_

_

 pT4b

_

_

Pathologic lymph node status

 Lymph node positive (pN+), no. (%)

2(4.2)

1(1.5)

0.574^b

 Lymph node yield, mean ± SD, n

18.9 ± 2.4

20.0 ± 2.0

0.638^c

Surgical margin, no. (%)

0.999^b

 Positive

3 (6.3)

5 (7.7)

 Negative

45 (93.7)

60 (92.3)