Table 1 Patient and tumour characteristics of 569 patients who had undergone CT neck/thorax/abdomen and at least one other investigation, that is, US abdomen, US neck, and/or chest X-ray, the subgroup of 264 patients who had undergone all these investigations and the subgroup of 305 patients who had undergone CT neck/thorax/abdomen plus at least one other diagnostic investigation for oesophageal or gastric cardia cancer staging

From: Detection of distant metastases in patients with oesophageal or gastric cardia cancer: a diagnostic decision analysis

Variable

n =569 (all patients)

n =264 (CT+US neck+US abdomen+chest X-ray)

n =305 (CT+1 other investigation

Mean age±standard deviation (years)

61.9±10.2

61.2±10.4

62.5±10.0

Sex (%)

 Male

436 (77)

207 (78)

229 (75)

 Female

133 (23)

57 (22)

76 (25)

Histology of tumour at biopsy (%)

 Squamous cell carcinoma

227 (40)

116 (44)

111 (37)

 Adenocarcinoma

304 (53)

132 (50)

172 (56)

 Other

38 (7)

16 (6)

22 (7)

Location of tumour (%)

 Cervical

5 (1)

4 (2)

1 (1)

 Upper 1/3 thoracic

30 (5)

11 (4)

19 (6)

 Central 1/3 thoracic

101 (18)

53 (20)

48 (16)

 Lower 1/3 thoracic

219 (38)

96 (36)

123 (40)

 Gastroesophageal junction

214 (38)

100 (38)

114 (37)

Distant metastases according to gold standard (%)

 M0

473 (83)

214 (81)

259 (85)

 M1

96 (17)

50 (19)

46 (15)