Table 1 Demographic and clinical characteristics of the study population used in the label-free quantification

Age (years)

69.00 ± 1.41

66.33 ± 8.58

58.33 ± 11.09

Gender

 Male

1

2

1

 Female

2

1

2

Gland type

 Gastric

2

2

1

 Intestinal

0

1

1

 Oncocytic

0

0

1

 Unknown

1

0

0

Duct type

 Main

0

0

1

 Branch

2

1

0

 Mixed

0

2

2

 Unknown

1

0

0

Cyst focality

 Single

2

3

3

 Multiple

1

0

0

 Unknown

0

0

0

Mural nodule

 Y

0

3

3

 N

3

0

0

 Unknown

0

0

0

Cyst location

 Head

1

0

2

 Body/tail

1

3

1

 Mixed

1

0

0

CEA concentration (mg/L)

1.13 ± 0.53

3.07 ± 1.27

7.67 ± 7.06

CA 19-9 concentration (mg/L)

4.00 ± 1.48

6.87 ± 7.17

117.17 ± 142.78

Cyst size

 Cyst size (cm)

2.93 ± 0.54

2.50 ± 0.41

6.63 ± 3.74

 < 3.0

1

2

1

 ≥ 3.0

2

1

2