Items of questionnaire

1 Port vs 3 ports (p-value)

Risk of Complications*

Sex

0.688

Age

0.677

Height (cm)

0.458

Weight (kg)

0.917

0.035

BMI

0.451

Social 1

2

3

4

5

6

7

8

0.975

0.820

0.600

0.629

0.730

0.670

0.742

00.690

Cosmetic 1

2

3

4

<0.001

0.015

<0.001

0.235

Operation time

0.005

Complications

0.358

Drain

<0.001

0.044

Hospital days after operation

0.050

Follow up interval after operation

0.167