Table 1 Patient characteristics and mucinous histology
P -values | |||||||
|---|---|---|---|---|---|---|---|
Total ( N =521) | NMA ( N =453) | AIM ( N =41) | MAC ( N =27) | AIM vs NMA | MAC vs NMA | AIM vs MAC | |
Age | |||||||
Median (range) | 60 (25–81) | 60 (35–76) | 62 (25–81) | 56 (30–81) | |||
⩾65 years | 155 (29.8%) | 128 (28.3%) | 19 (46.3%) | 8 (29.6%) | 0.015 | 0.88 | 0.17 |
Sex | |||||||
Male | 312 (59.9%) | 283 (62.5%) | 13 (31.7%) | 16 (59.3%) | <0.001 | 0.74 | 0.025 |
Female | 209 (40.1%) | 170 (37.5%) | 28 (68.3%) | 11 (40.7%) | |||
Location | |||||||
Proximal | 181 (34.7%) | 140 (30.9%) | 25 (61.0%) | 16 (59.3%) | <0.001 | 0.002 | 0.89 |
Distal | 340 (65.3%) | 313 (69.1%) | 16 (39.0%) | 11 (40.7%) | |||
Stage | |||||||
II | 78 (15.0%) | 67 (14.8%) | 7 (17.1%) | 4 (14.8%) | 0.70 | 1.0 | 1.0 |
III | 443 (85.0%) | 386 (85.2%) | 34 (82.9%) | 23 (85.2%) | |||
T stage | |||||||
T1–3 | 445 (85.4%) | 394 (87.0%) | 35 (85.4%) | 16 (59.3%) | 0.77 | <0.001 | 0.015 |
T4 | 76 (14.6%) | 59 (13.0%) | 6 (14.6%) | 11 (40.7%) | |||
N stage | |||||||
N0–1 | 378 (72.6%) | 332 (73.3%) | 29 (70.7%) | 17 (63.0%) | 0.72 | 0.24 | 0.50 |
N2 | 143 (27.4%) | 121 (26.7%) | 12 (29.3%) | 10 (37.0%) | |||
Angiolymphatic invasion | |||||||
Present | 223 (42.8%) | 205 (45.3%) | 12 (29.3%) | 6 (22.2%) | 0.048 | 0.019 | 0.52 |
Absent | 298 (57.2%) | 248 (54.7%) | 29 (70.7%) | 21 (77.8%) | |||
Venous invasion | |||||||
Present | 57 (10.9%) | 54 (11.9%) | 1 (2.4%) | 2 (7.4%) | 0.070 | 0.76 | 0.56 |
Absent | 464 (89.1%) | 399 (88.1%) | 40 (97.6%) | 25 (92.6%) | |||
Perineural invasion | |||||||
Present | 120 (23.0%) | 112 (24.7%) | 5 (12.2%) | 3 (11.1%) | 0.084 | 0.16 | 1.00 |
Absent | 401 (77.0%) | 341 (75.3%) | 36 (87.8%) | 24 (88.9%) | |||
Microsatellite status | |||||||
MSS+MSI-L | 483 (93.2%) | 425 (94.4%) | 35 (85.4%) | 23 (85.2%) | 0.022 | 0.073 | 1.00 |
MSI-H | 35 (6.8%) | 25 (5.6%) | 6 (14.6%) | 4 (14.8%) | |||
