N stage | Total | Negative (%) | Positive (%) | P value | N = 1 (%) | N = 2 (%) | P value |
---|---|---|---|---|---|---|---|
TV | 285 | 0.004 | 0.002 | ||||
V1 ≤ 0.9 cm3 | 38 | 32 (84.2) | 6 (15.8) | 3 (50) | 3 (50) | ||
V2 0.9–3.9 cm3 | 126 | 98 (77.8) | 28 (22.2) | 12 (42.9) | 16 (57.1) | ||
V3 3.9–14.2 cm3 | 121 | 74 (61.2) | 47 (38.8) | 15 (31.9) | 32 (68.1) | ||
GTD | 0.083 | 0.236 | |||||
G1 ≤ 1.0 cm | 5 | 4 (80.0) | 1 (20.0) | 0 (0.0) | 1 (100.0) | ||
G2 1.0–2.0 cm | 90 | 72 (80.0) | 18 (20.0) | 6 (33.3) | 12 (66.7) | ||
G3 2.0–3.0 cm | 190 | 128 (67.4) | 62 (32.6) | 24 (38.7) | 38 (61.3) |