Table 1

Patients' demographics and baseline characteristics

Variable

No. (%) (N = 74)


Age (years)

60.36 ± 11.72

Gender

Male

46 (62.2)

Female

28 (37.8)

Tumor size (cm)

2.08 ± 1.12

Location

Lower end of the common bile duct

34 (45.9)

Papillary duodenum

31 (41.9)

Ampullary duodenum

9 (12.2)

Tumor differentiation

No & Low

39 (52.7)

Middle & High

35 (47.3)

Tumor classification

T0 & T1 & T2

38 (51.4)

T3 & T4

36 (48.6)

Node classification

N0

45 (60.8)

N1

29 (39.2)

Distant metastasis

M0

71 (95.9)

M1

3 (4.1)

TNM stage

0 & I

28 (37.8)

II & III & IV

46 (62.2)

Vessel invasion

19 (25.7)

Nerve invasion

19 (25.7)


Wang et al. Diagnostic Pathology 2011 6:102   doi:10.1186/1746-1596-6-102

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