Table 1 MRD1 by each incision

Pre-operation

2.27 ± 0.89

2.24 ± 0.96

0.764

0.03 (−0.20, 0.27)

Post-operation

2.01 ± 1.08

2.00 ± 1.05

0.920

0.01 (−0.17, 0.30)

Difference between post- and pre-operation values

−0.26 ± 0.93

(95 % CI: −0.58, 0.07)

(p = 0.115)^b

−0.24 ± 0.86

(95 % CI: −0.54, 0.06)

(p = 0.119)^b

0.849

−0.02 (−0.24, 0.20)

MRD1 decrease of ≥0.5 mm

n = 14 (41 %)

n = 14 (41 %)

0.392^c

-