Clinicopathological factor | Â | No. of patients (%) |
---|---|---|
 | Total | 270 |
Observation period (days) | 61-2182 (average, 1253.79) | Â |
Age (years) | 21 - 92 (average, 66.70) | Â |
Sex | Male | 166 (61.48) |
 | Female | 104 (38.52) |
Tumor size (mm)1 | 5-60 (average, 26.63) | Â |
 | ≤20 | 86 (31.85) |
 | 21-30 | 97 (35.93) |
 | 31-40 | 62 (22.96) |
 | >40 | 25 (9.26) |
Tumor status2 | T1 | 83 (30.74) |
 | T2 | 123 (45.56) |
 | T3 | 5 (1.85) |
 | T4 | 59 (21.85) |
Lymph node metastasis3 | pN0 | 149 (55.19) |
 | pN1 | 41 (15.18) |
 | pN2 | 80 (29.63) |
 | pN3 | 0 (0) |
Histologic grade (YK4)4 | 1-3 | 115 (42.59) |
 | 4c-d | 155 (57.41) |
Surgical margin5 | Negative | 244 (90.37) |
 | Positive | 26 (9.63) |
Primary site recurrence | Negative | 240 (88.89) |
 | Positive | 30 (11.11) |
Distant metastasis | Negative | 256 (94.81) |
 | Positive | 14 (5.19) |
Death outcome6 | Alive | 233 (86.30) |
 | Dead | 37 (13.70) |