Table 2 Univariate analysis of influence factors of lymph node metastasis in 57 patients with SMGC

0.2

 Male

45

17

28

 Female

12

7

5

0.426

 < 65

32

12

20

 ≥65

25

12

13

0.537^#

 B I

11

3

8

 DG + R-Y

9

4

5

 TG + R-Y

37

17

20

BMI, median (range, kg/m²)

-

23.25 (17.8–30.5)

21.6 (17.3–29.7)

0.4048

1.000^#

 Yes

5

2

3

 None

52

22

30

Number of primary tumors

0.49^#

 Two

52

22

30

 Three

3

2

1

 Four

2

0

2

0.13^#

 < 2 cm

4

0

4

 ≥2 cm

53

24

29

0.017*^#

 Well-differentiated

11

1

10

 Poorly- differentiated

46

23

23

Consistency of histology

0.548

 Positive

33

15

18

 Negative

24

9

15

0.001*^#

 pT1

20

3

17

 pT2

10

3

7

 pT3-T4

27

18

9

0.203

 Positive

27

9

18

 Negative

30

15

15

0.631^#

 Positive

53

23

30

 Negative

4

1

3

0.000*

 Positive

13

12

1

 Negative

44

12

32

0.000*

 Positive

14

12

2

 Negative

43

12

31

Preoperative CEA, median (range, ng/ml)

–

2.51 (0.476–16.59)

2.32 (0.2–23.5)

0.6811

Preoperative CA19-9, median (range, U/ml)

–

12.055 (1.28–173.6)

8.82 (0.6–43.2)

0.1131

Preoperative AFP, median (range, ng/ml)

–

2.73 (1.26–8.25)

2.71 (0.947–6.94)

0.2103

Preoperative CA153, median (range, U/ml)

–

9.79 (3.44–20.82)

8 (4.67–20.6)

0.8183

Preoperative CA125, median (range, U/ml)

–

13.355 (4.46–39.09)

10.05 (3.28–18.87)

0.001*

Preoperative CA724, median (range, U/ml)

–

1.985 (0.699–8.35)

1.56 (0.2–141.1)

0.4285

0.173^#

 Positive

2

2

0

 Negative

55

22

33

Total

57

24

33