Table 1 Patients’ clinical and lymphoscintigraphic characteristics

Age (years)

Mean ± SD

42.06 ± 11.01

Sex

Female

16

Male

1

Lymphedema site (affected limb)

Right

8

Left

9

Clinical stage

2

10

3

7

Etiology

Primary

5

Secondary

12

Inguinal lymph node uptake

Absent

7

Present

10

Main lymphatic vessel

Absent

13

Present

4

Collateral vessel

Absent

15

Present

2

Dermal backflow

Absent

5

Present

12

1 h LN uptake ratio

Mean ± SD

0.39 ± 0.53

1 h Extremity uptake ratio

Mean ± SD

1.46 ± 0.50

1 h Injection site clearance ratio

Mean ± SD

1.04 ± 0.26

2 h LN uptake ratio

Mean ± SD

0.45 ± 0.61

2 h Extremity uptake ratio

Mean ± SD

1.42 ± 0.47

2 h Injection site clearance ratio

Mean ± SD

0.97 ± 0.13