Table 1 .
Univariate analysis of factors associated with peritoneal metastases for all oesophagogastric cancer patients
| No metastases (n = 872) | Metastases (n = 96) | p-value | |
|---|---|---|---|
| Age, median (IQR) | 68 (60–74) | 69 (60–77) | 0.408 |
| Male | 550 (63) | 57 (59) | 0.768 |
| Cancer site | <0.001 | ||
| Oesophageal | 280 (97) | 8 (3) | |
| GOJ | 367 (93) | 29 (7) | |
| Gastric | 225 (79) | 59 (21) | |
| OGD histology | 0.339 | ||
| Adenocarcinoma | 663 (91) | 63 (9) | |
| Squamous cell qcarcinoma | 57 (97) | 2 (3) | |
| Other | 65 (90) | 7 (10) | |
| EUS T stage | 0.462 | ||
| T1–2 | 97 (25) | 2 (25) | |
| T3 | 278 (71) | 5 (63) | |
| T4 | 15 (4) | 1 (13) | |
| EUS N stage | 0.732 | ||
| N0 | 163 (43) | 2 (29) | |
| N1 | 194 (51) | 5 (71) | |
| N2 | 18 (5) | 0 (0) | |
| N3 | 4 (1) | 0 (0) | |
| CT T stage | <0.001 | ||
| T1 | 12 (100) | 0 (0) | |
| T2 | 133 (98) | 3 (2) | |
| T3 | 574 (90) | 61 (10) | |
| T4 | 44 (71) | 18 (29) | |
| CT N stage | 0.029 | ||
| N0 | 400 (92) | 34 (8) | |
| N1 | 322 (91) | 33 (9) | |
| N2 | 85 (89) | 11 (12) | |
| N3 | 13 (72) | 5 (28) | |
| PET | 0.534 | ||
| M0 | 579 (97) | 26 (96) | |
| M1 | 16 (3) | 1 (4) |
Values are given as n (%), unless noted otherwise.
CT = computed tomography; EUS = endoscopic ultrasound; GOJ = gastro-oesophageal junction; IQR = interquartile range; OGD = oesophagogastroduodenoscopy; PET = positron emission tomography