Table 1 Patient data of stage I and II OTSCC patients
N (%) | All patients ( n =98) | OUH ( n =59) | KUH ( n =14) | UOPECCAN ( n =8) | CEONC ( n =17) |
|---|---|---|---|---|---|
Patient data, stages I–II | |||||
Gender | |||||
Male | 53 (54) | 24 (41) | 9 (64) | 6 (75) | 14 (82) |
Female | 45 (46) | 35 (59) | 5 (36) | 2 (25) | 3 (18) |
Age at diagnosis | |||||
⩽55 | 26 (26) | 13 (22) | 3 (21) | 3 (38) | 7 (41) |
56–69 | 33 (34) | 15 (25) | 7 (50) | 4 (50) | 7 (41) |
⩾70 | 39 (40) | 31 (53) | 4 (29) | 1 (12) | 3 (18) |
Range | 32–99 | 32–99 | 33–80 | 45–77 | 40–80 |
Mean | 64.18 | 67.17 | 62.29 | 56.50 | 59 |
Median | 64 | 70 | 63.5 | 57 | 59 |
Follow-up time | |||||
Range | 1–298 | 1–298 | 3–175 | 6–127 | 1–139 |
Mean | 73.65 | 80.75 | 72.71 | 61.38 | 55.59 |
Median | 57 | 64 | 60 | 47.5 | 51 |
Cause of death | |||||
Alive | 49 (50) | 31 (53) | 6 (43) | 5 (62) | 7 (41) |
Cancer | 22 (22) | 8 (14) | 3 (21) | 3 (38) | 8 (47) |
Other | 27 (28) | 20 (33) | 5 (36) | – | 2 (12) |
Grade | |||||
1 | 28 (28) | 24 (41) | 4 (29) | – | – |
2 | 37 (38) | 32 (54) | 5 (36) | – | – |
3 | 6 (6) | 3 (5) | 3 (21) | – | – |
Missing | 27 (28) | – | 2 (14) | 8 (100) | 17 (100) |
Neck lymph nodes | |||||
Positive | 2 (2) | 2 (3) | – | – | – |
Negative | 96 (98) | 57 (97) | 14 (100) | 8 (100) | 17 (100) |
Adjuvant therapy | |||||
No | 67 (69) | 47 (80) | 7 (50) | 3 (37) | 10 (59) |
Radiotherapy | 22 (22) | 9 (15) | 7 (50) | 2 (26) | 4 (23) |
Radio- and chemotherapy | 7 (7) | 1 (2) | – | 3 (37) | 3 (18) |
Missing | 2 (2) | 2 (3) | – | – | – |
Recurrence | |||||
Yes | 39 (40) | 17 (29) | 8 (57) | 5 (62) | 9 (53) |
No | 59 (60) | 42 (71) | 6 (43) | 3 (38) | 8 (47) |
