Review Article

Robotic versus Open Thyroidectomy for Differentiated Thyroid Cancer: An Evidence-Based Review

Table 3

Summary of oncological outcomes in published studies.

First author/yearRT approachSample size
(RT versus OT)
Mean number of
central LN retrieved
(RT versus OT)
Mean ablation
sTg (ng/mL)
(RT versus OT)

Lee, 2013 [22]TA62 : 668.1 : 7.9
( = 0.21)
NR

Ryu, 2013 [23]TA45 : 455.7 : 7.0
( = 0.23)
NR

Tae, 2012 [24]GUAB75 : 2264.4 : 7.7
( < 0.001)
12.7 : 4.9
( = 0.03)

Lee, 2012 [25]TA192 : 2664.6 : 5.7
( = 0.004)
NR

Kang, 2012 [26]TA56 : 1096.5 : 8.6
( = 0.03)
NR

Lee, 2010 [27]TA41 : 434.4 : 4.3
( = 0.84)
NR

Tae, 2011 [28]GUAB41 : 1634.7 : 9.6
( < 0.01)
NR

Kim, 2011 [29]BABA69 : 1384.7 : 4.8
( = 0.80)
0.8 : 0.8
( = 0.97)

Yi, 2013 [30]TA98 : 423 6.5 : 7.0
( = 0.57)
26% : 10.6%
( = 0.001)

Kim, 2015 [31]BABA13 : 6512.8 : 12.7
( = 0.97)
2.5 : 2.8
( = NS)

Kwak, 2015 [32]BABA206 : 6345.8 : 8.4
( = 0.001)
NR

Lee, 2014 [34]TA60 : 56NR5.3 : 1.6
( = 0.005)

Tae, 2014 [35]GUAB62 : 1834.1 : 5.4
( = 0.24)
10.2 : 3.8
( < 0.001)

Lee, 2014 [36]TA43 : 514.9 : 6.3
( = 0.06)
4.4 : 4.1
( = 0.67)

Kim, 2014 [37]BABA123 : 3928.7 : 10.4
( = 0.006)
1.3 : 1.1
( = 0.65)

Lee, 2015 [41]TA206 : 2065.8 : 6.6
( = 0.10)
NR

Lee, 2011 [42]BABA174 : 237NR1.4 : 1.2
( = 0.99)

RT, robotic thyroidectomy; OT, open thyroidectomy; LN, lymph nodes; sTg, thyrotropin-stimulated serum thyroglobulin; TA, transaxillary approach; GUAB, gasless unilateral axillobreast approach; BABA, bilateral axillobreast approach; , value; NS, nonsignificant; NR, not reported. Median (range). Percentage of patients with abnormal ablation sTg (level >2 ng/mL).