Table 1 Patients’ characteristics

Gender: n (%)

 Male

26 (35.1)

21 (36.8)

P > 0.05

 Female

48 (64.9)

36 (63.2)

Age (years)

41.2 ± 11.9

37.8 ± 12.4

P > 0.05

BMI

23.9 ± 2.7

23.4 ± 2.9

P > 0.05

Tumor size (cm)

2.6 (3.15)

2.5 (2.95)

P > 0.05

Operative time (min)

104.9 ± 30.6

145.5 ± 33.6

P < 0.05*

Blood loss (milliliter)

32.2 ± 8.9

30.0 ± 8.8

P > 0.05

Extubation time (day)

4 (5)

0 (0)

P < 0.05*

Hospital stays (day)

5 (6)

3 (4)

P < 0.05*

Hospital costs (CNY)

12,823.5 (14,976.9)

12,159.68 (16,093.28)

P > 0.05

Complication: n (%)

P > 0.05

 RLN injury

0

0

 Surgical site infection

3 (4.0)

1 (1.7)

P > 0.05

 Parathyroid injury

2 (2.7)

1 (1.7)

P > 0.05

Hematoma: n (%)

1 (1.4)

1 (1.7)

P > 0.05