Table 1 Clinical and histopathologic characteristics of the patients in the robotic and endoscopic groups before propensity score matching
Endoscopic Thyroidectomy (N = 49) | Robot-assisted Thyroidectomy (N = 278) | P | |
|---|---|---|---|
Age (yr) | 41.3 ± 10.1 | 40.6 ± 10.3 | 0.561 |
Gender | 0.002 | ||
Male | 5 (10.2%) | 87 (31.3%) | |
Female | 44 (89.8%) | 191 (68.7%) | |
BMI (kg/m2) | 24.3 ± 3.5 | 24.7 ± 3.6 | 0.586 |
Operation type | 0.466 | ||
LT | 10 (20.4%) | 45 (16.2%) | |
TT | 39 (79.6%) | 233 (83.8%) | |
Type of carcinoma | 0.048 | ||
PTC | 47 (95.9%) | 276 (99.3%) | |
FTC | 2 (4.1%) | 2 (0.7%) | |
Tumor size (mm) | 6.55 ± 5.25 | 5.15 ± 2.67 | 0.331 |
Extrathyroidal extension | 0.052 | ||
Yes | 6 (12.2%) | 14 (5%) | |
No | 43 (87.8%) | 264 (95%) | |
Multiplicity | 0.832 | ||
Yes | 7 (14.3%) | 43 (15.5%) | |
No | 42 (85.7%) | 235 (84.5%) | |
Tumor location | 0.124 | ||
Unilateral | 41 (84%) | 201 (72.3%) | |
Bilateral | 8 (16%) | 61 (21.9%) | |
isthmus | 0 (0%) | 16 (5.8%) | |
Combined goiter | 0.995 | ||
Yes | 31 (63.3%) | 176 (63.3%) | |
No | 18 (36.7%) | 102 (36.7%) | |
Combined thyroiditis | 0.118 | ||
Yes | 7 (14.3%) | 68 (24.5%) | |
No | 42 (85.7%) | 210 (75.5%) | |
T Category | 0.003 | ||
1a | 37 (75.6%) | 252 (90.7%) | |
1b | 6 (12.2%) | 12 (4.3%) | |
3b | 6 (12.2%) | 14 (5.0%) | |
N Category | 0.534 | ||
0 | 35 (71.4%) | 186 (66.9%) | |
1a | 14 (28.6%) | 92 (33.1%) | |
Stage | 0.907 | ||
I | 48 (98.0%) | 273 (98.2%) | |
II | 1 (2.0%) | 5 (1.8%) |