Table 1 Patient demographic and baseline characteristics

Age

24.5 ± 4.4

26.8 ± 5.9

0.336

 Male

6

5

–

 Female

4

5

–

Body mass index (BMI)

22.6 ± 3.5

21.1 ± 3.1

0.307

 Cervical

5

2

–

 Chest

1

4

–

 Dorsal

2

3

–

 Facial

2

1

–

Expander implantation time (month)

13.5 ± 5.4

12.7 ± 5.7

0.751

Expansion index (EI)

2.08 ± 0.68

2.39 ± 0.59

0.993

 Abdomen

4

5

–

 Hip

6

5

–

Number of transplanted cells(10⁶)

–

2.96 ± 1.17

–