Table 3 Postoperative outcomes in the robotic and endoscopic groups

Total operation time(min)

207.5 ± 50.8

132.9 ± 43.1

≤0.001

Total amount of drainage (ml)

239.8 ± 100.0

266.0 ± 150.2

0.241

Drain insertion (days)

5.79 ± 1.60

6.15 ± 2.04

0.316

Maximum diameter of thyroid (cm)

5.15 ± 0.90

4.93 ± 0.91

0.040

Positive LN^a metastasis (n)

3 ± 2.31

2.3 ± 1.73 

0.561

Retrieved central LN^a(n)

5.4 ± 3.6

11.9 ± 6.1

≤0.001

Cosmetic satisfaction^b

0.837

 3

34 (81.0%)

111 (82.2%)

 2

6 (14.3%)

19 (14.1%)

 1

2 (4.8%)

5 (3.7%)

Pain score (VAS)^c

1.42 ± 0.74

1.34 ± 0.94

0.077

Post operative hosipitial stay(d)

7.19 ± 1.60

7.92 ± 2.34

0.100