Discovery stage | Validation stage | |||
---|---|---|---|---|
NPC | Control | NPC | Control | |
Number | 7 | 7 | 129 | 100 |
Gender | ||||
Male | 5 | 5 | 100 | 41 |
Female | 2 | 2 | 29 | 59 |
Mean age ± SD (years) | 59 ± 12 | 59 ± 10 | 51 ± 12 | 51 ± 10 |
Age range (years) | 38–76 | 40–74 | 19–76 | 24–79 |
T stage | ||||
T1 | 0 | 19 | ||
T2 | 2 | 46 | ||
T3 | 3 | 39 | ||
T4 | 2 | 25 | ||
N stage | ||||
N0 | 1 | 17 | ||
N1 | 1 | 50 | ||
N2 | 5 | 55 | ||
N3 | 0 | 7 | ||
M stage | ||||
M0 | 6 | 122 | ||
M1 | 1 | 7 | ||
Overall stage | ||||
I | 0 | 4 | ||
II | 0 | 36 | ||
III | 4 | 55 | ||
IV | 3 | 34 |