OS | LRFS | DFS | ||||
---|---|---|---|---|---|---|
Univariate | Multivariate | Univariate | Multivariate | Univariate | Multivariate | |
(No. of patients) | 5-year rate (%) | p-value | 5-year rate (%) | p-value | 5-year rate (%) | p-value |
Sex | n-s | n-s | n-s | |||
Male (57) | 94.4 | 92.6 | 90.9 | |||
Female (26) | 95.8 | 87.6 | 87.6 | |||
Age | n-s | n-s | n-s | |||
< 70 (58) | 98.2a | 94.8 | 93.1 | |||
≥ 70 (25) | 86.4 | 81.0 | 81.0 | |||
Location from anal verge | n-s | n-s | n-s | |||
< 5 cm (33) | 96.7 | 93.6 | 90.7 | |||
≥ 5 cm (50) | 93.7 | 89.4 | 89.4 | |||
CEA level | n-s | n-s | n-s | |||
< 3 ng/ml (49) | 100 | 95.6 | 93.6 | |||
≥ 3 ng/ml (34)b | 87.0 | 84.0 | 84.3 | |||
Tumor size | n-s | n-s | n-s | |||
< 3 cm (62) | 94.9 | 89.7 | 88.1 | |||
≥ 3 cm (21) | 94.7 | 94.7 | 94.7 | |||
T-stage | n-s | n-s | 0.027 (HR: 4.8, 95 % CI: 1.2–19.1) | |||
1 (68) | 95.2 | 93.7 | 93.8a | |||
2 (15) | 93.3 | 80.0 | 73.3 | |||
Resection margin | n-s | n-s | n-s | |||
> 3 mm (3) | 100 | 100 | 100 | |||
≤ 3 mm (22) | 95.5 | 86.4 | 81.8 | |||
Unknown (58) | 94.3 | 92.1 | 92.1 | |||
LVI | n-s | n-s | n-s | |||
No (41) | 92.1 | 87.1 | 84.9 | |||
Yes (13) | 92.3 | 83.9 | 83.9 | |||
Unknown (29) | 100 | 100 | 100 | |||
Local excision | n-s | n-s | n-s | |||
EMR or ESD (26) | 92.0 | 88.1 | 88.1 | |||
TAE (57) | 96.2 | 92.2 | 90.5 | |||
Radiation dose | n-s | n-s | n-s | |||
> 50.4 Gy (8) | 100 | 100 | 100 | |||
≤ 50.4 Gy (75) | 94.3 | 90.0 | 88.7 | |||
Adjuvant chemotherapy | n-s | n-s | n-s | |||
Yes (14) | 100 | 92.9 | 92.9 | |||
No (69) | 93.9 | 90.7 | 89.3 |