Table 2 .
Univariate analysis of factors associated with positive peritoneal cytology for all oesophagogastric cancer patients
| Negative cytology (n=885) |
Positive cytology (n=81) |
p-value | |
|---|---|---|---|
| Age, median (IQR) | 68 (59–74) | 70 (61–77) | 0.210 |
| Male | 487 (55) | 47 (58) | 0.312 |
| Cancer site | <0.001 | ||
| Oesophageal | 283 (98) | 8 (2) | |
| GOJ | 368 (93) | 29 (7) | |
| Gastric | 234 (83) | 59 (17) | |
| OGD histology | 0.041 | ||
| Adenocarcinoma | 673 (93) | 51 (7) | |
| Squamous cell carcinoma | 59 (100) | 2 (0) | |
| Other | 64 (89) | 8 (11) | |
| EUS T stage | 0.096 | ||
| T1–2 | 98 (99) | 2 (1) | |
| T3 | 281 (99) | 2 (1) | |
| T4 | 15 (94) | 1 (6) | |
| EUS N stage | 0.963 | ||
| N0 | 163 (99) | 2 (1) | |
| N1 | 197 (99) | 2 (1) | |
| N2 | 18 (100) | 0 (0) | |
| N3 | 4 (100) | 0 (0) | |
| CT T stage | <0.001 | ||
| T1 | 60 (97) | 2 (3) | |
| T2 | 147 (99) | 1 (1) | |
| T3 | 581 (92) | 54 (9) | |
| T4 | 47 (77) | 14 (23) | |
| CT N stage | <0.001 | ||
| N0 | 407 (94) | 25 (6) | |
| N1 | 327 (92) | 28 (8) | |
| N2 | 89 (93) | 7 (7) | |
| N3 | 11 (61) | 7 (39) | |
| PET | 0.118 | ||
| M0 | 585 (97) | 20 (3) | |
| M1 | 15 (88) | 2 (12) |
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