Studies | Histology | SCC (%) | Treatment | n | MS (months) | 5-year OS (%) | P value |
---|---|---|---|---|---|---|---|
Kunath and Fischer [39] | SCC | 100 | ART 50 to 55 Gy | 23 | 9 | Â | NS |
 |  |  | Surgery | 21 | 6 |  |  |
Ténière and colleagues [40] | SCC | 100 | ART 45 to 55 Gy | 102 | 18 | 19 | NS |
 |  |  | Surgery | 119 | 18 | 19 |  |
Fok and colleagues [41] | SCC | 100 | ART 43 to 53 Gy | 42 | 11 | 10 | NS |
 |  |  | Surgery | 39 | 22 | 16 |  |
Zieren and colleagues [42] | SCC | 100 | ART 56 Gy | 33 | Â | 23a | NS |
 |  |  | Surgery | 35 |  | 22a |  |
Xiao and colleagues [43] | SCC | 100 | ART 50 to 60 Gy | 220 | Â | 41 | NS |
 |  |  | Surgery | 275 |  | 32 |  |