Table 5 Independent factors for conversion and total complications according to logistic analysis

Age

1.29

0.69 ~ 2.40

0.560

1.03

1.01 ~ 1.54

0.013^*

BMI

  < 18.5

1.34

0.48 ~ 3.90

0.560

2.00

0.82 ~ 4.86

0.128

 18.5 ~ 23.9

1

1

 24 ~ 27.9

1.24

0.68 ~ 2.28

0.481

0.61

0.31 ~ 1.21

0.158

  ≥ 28

5.06

2.02 ~ 12.76

0.001^*

0.99

0.27 ~ 3.68

0.990

Left lobe

3.40

1.36 ~ 11.45

0.012^*

4.39

1.62 ~ 11.89

0.004^*

Right lobe

1.13

0.50 ~ 2.58

0.770

5.84

1.43 ~ 23.85

0.014^*

History of surgery

0.91

0.51 ~ 1.65

0.762

1.81

1.03 ~ 3.20

0.040^*