Table 3 A description of concordant and discordant classifications for algorithm 12, the algorithm that maximized sensitivity and specificity
Variable | M1 (n = 1107) | Mnot (n = 1259) | ||
|---|---|---|---|---|
+/+ | +/− | −/+ | −/− | |
80% | 20% | 32% | 68% | |
Age (years) | ||||
  < 50 | 12.5 | 10.6 | 7.4 | 5.8 |
 50–54 | 7.6 | 8.8 | 5.4 | 5.1 |
 55–59 | 8.9 | 8.8 | 9.2 | 8.5 |
 60–64 | 11.1 | 10.2 | 8.7 | 10.6 |
 65–69 | 13.2 | 11.9 | 13.6 | 11.8 |
 70-high | 46.8 | 49.6 | 55.7 | 58 |
Female | 35.9 | 39.4 | 33.2 | 34.5 |
Tumour Location | ||||
 Distal | 30.4 | 37.2 | 37.6 | 37.7 |
 Entire | 9.9 | 5.8 | 9.7 | 7.7 |
 GEJ | 27.4 | 30.5 | 27.2 | 25.6 |
 Middle | 17 | 14.2 | 12.6 | 16.3 |
 Proximal | 10.6 | 6.6 | 8.2 | 8.5 |
 Unknown | 4.8 | 5.8 | 4.7 | 4.2 |
Charlson Score | ||||
 No Prev Hosp | 56.4 | 49.6 | 57.9 | 47.4 |
 0 | 29.7 | 33.2 | 26.2 | 29.9 |
 1 | 7.6 | 8.8 | 7.7 | 11 |
 2+ | 6.2 | 8.4 | 12.9 | 10 |
Urban Residence | 89.2 | 89.4 | 87.6 | 87.7 |
Community Income | ||||
 Lowest | 20.2 | 23 | 22.5 | 20 |
 2 | 22.9 | 17.7 | 23.3 | 21.6 |
 3 | 20 | 23 | 18.3 | 20 |
 4 | 20.3 | 17.7 | 16.6 | 20.1 |
 Highest | 16.5 | 18.6 | 19.3 | 17.9 |
T stage | ||||
Tis/T0/T1 | 1 | 4.8 | 2.4 | 16 |
T2 | 1 | 7.1 | 3.2 | 13.8 |
T3 | 3.2 | 20.8 | 7.7 | 15.3 |
T4A | 6.2 | 22.6 | 15.6 | 18.9 |
T4B | 27.7 | 20.8 | 26.7 | 11.6 |
T1-T4A | 4 | 1.8 | 4.5 | 3.3 |
TX | 56.9 | 22.1 | 39.9 | 21.2 |
N status | ||||
N0 | 18.2 | 25.2 | 21.3 | 38.6 |
N1 | 3.2 | 11.1 | 6.7 | 14.3 |
N2 | 4.1 | 20.4 | 8.4 | 13 |
N3A | 6.2 | 14.6 | 9.9 | 10.8 |
N3B | 3.2 | 5.8 | 5.9 | 4.4 |
N1–3 | 50.7 | 11.1 | 34.6 | 7.5 |
NX | 15.3 | 11.9 | 13.1 | 11.5 |
AJCC Stage | ||||
 0/IA | 0 | 2.7 | 0 | 11.9 |
 IB | 0 | 4 | 0 | 9.8 |
 IIA | 0 | 7.5 | 0 | 8.9 |
 IIB | 0 | 8 | 0 | 8.2 |
 IIIA | 0 | 9.7 | 0 | 8.5 |
 IIIB | 0 | 17.7 | 0 | 12.2 |
 IIIC | 0 | 17.7 | 0 | 11.6 |
 IV | 100 | 0 | 100 | 0 |
 Unknown | 0 | 32.3 | 0 | 29.2 |
Death within 1Â year | 79.7 | 42.9 | 55 | 29.7 |
Death within 5Â years | 96.9 | 74.3 | 89.6 | 62.1 |