Table 1. Relations between recurrence patterns and clinicopathological characteristics.
| Peritoneal (n=60) | Haematogenous (n=32) | Locoregional (n=18) | Control (n=116) | |
|---|---|---|---|---|
| Age (years)a | 64.1±14.5 | 67.9±14.0 | 69.0±12.3 | 63.1±11.6 |
| Genderb | ||||
| Male | 33 (55.0%) | 27 (84.4%) | 16 (88.9%) | 71 (61.2%) |
| Female | 27 (45.0%) | 5 (15.6%) | 2 (11.1%) | 45 (38.8%) |
| Tumour sizec | ||||
| 60 mm⩾ | 15 (25.0%) | 15 (46.9%) | 7 (38.9%) | 69 (59.5%) |
| 60 mm< | 45 (75.0%) | 17 (53.1%) | 11 (61.1%) | 47 (40.5%) |
| Tumour locationd | ||||
| Upper | 15 (25.0%) | 12 (37.5%) | 5 (27.8%) | 34 (29.3%) |
| Middle | 16 (26.7%) | 6 (18.8%) | 5 (27.8%) | 39 (33.6%) |
| Lower | 19 (31.7%) | 10 (31.3%) | 7 (38.9%) | 40 (34.5%) |
| Whole | 10 (16.7%) | 4 (12.5%) | 1 (5.6%) | 3 (2.6%) |
| Histologic typee | ||||
| Differentiated | 17 (28.3%) | 16 (50.0%) | 8 (44.4%) | 61 (52.6%) |
| Undifferentiated | 43 (71.7%) | 16 (50.0%) | 10 (55.6%) | 55 (47.4%) |
| Depth of invasionf | ||||
| mp. ss | 8 (13.3%) | 15 (46.9%) | 6 (333%) | 63 (54.3%) |
| se, si | 52 (86.7%) | 17 (53.1%) | 12 (66.7%) | 53 (45.7%) |
| Growth patterng | ||||
| Expansive | 18 (30.0%) | 18 (56.3%) | 8 (44.4%) | 67 (57.8%) |
| Infiltrative | 42 (70.0%) | 14 (43.8%) | 10 (55.6%) | 49 (42.2%) |
| Lymphatic invasion | ||||
| Negative | 7 (11.7%) | 4 (12.5%) | 2 (11.1%) | 24 (20.7%) |
| Positive | 53 (88.3%) | 28 (87.5%) | 16 (88.9%) | 92 (79.3%) |
| Blood vessel invasionh | ||||
| Negative | 37 (61.7%) | 11 (34.4%) | 6 (33.3%) | 67 (57.8%) |
| Positive | 23 (38.3%) | 21 (65.6%) | 12 (66.7%) | 49 (42.2%) |
| Lymph node metastasisi | ||||
| Negative | 7 (11.7%) | 4 (12.5%) | 4 (22.2%) | 47 (40.5%) |
| Positive | 53 (883%) | 28 (87.5%) | 14 (77.8%) | 69 (59.5%) |
mp=muscularic propria; ss=subserasa; se=serosa exposed; si=serosa-infiltrating adjacent tissue.
a
P=0.016 (haematogenous vs control).
b
P=0.0057 (peritoneal vs haematogenous) and P=0.02 (haematogenous vs control).
c
P<0.001 (peritoneal vs control).
d
P=0.012 (peritoneal vs control).
e
P=0.0036 (peritoneal vs control).
f
P=0.001 (peritoneal vs haematogenous) and P<0.0001 (peritoneal vs control).
g
P=0.026 (peritoneal vs haematogenous) and P=0.0009 (peritoneal vs control).
h
P=0.023 (peritoneal vs haematogenous) and P=0.032 (haematogenous vs control).
i
P=0.0002 (peritoneal vs control) and P=0.0061 (haematogenous vs control).