Table 2.
Patterns of failure
| Failure site | A |
B |
||||
|---|---|---|---|---|---|---|
| CCRT (n=64) | IC+CCRT (n=130) | p-valuea) | CCRT (n=43) | IC+CCRT (n=43) | p-valuea) | |
| T | 6 | 2 | 4 | 0 | ||
| N | 3 | 2 | 1 | 1 | ||
| M | 7 | 17 | 7 | 7 | ||
| T+N | 1 | 0 | 0 | 0 | ||
| T+M | 1 | 0 | 1 | 0 | ||
| N+M | 0 | 1 | 0 | 0 | ||
| T+N+M | 0 | 0 | 0 | 0 | ||
| LF | 8 (12.5) | 4 (3.1) | 0.010 | 5 (11.6) | 1 (2.3) | 0.090 |
| DF | 7 (10.9) | 17 (13.1) | 0.67 | 7 (16.3) | 7 (16.3) | > 0.999 |
| Progression | 14 (21.9) | 20 (15.4) | 0.264 | 11 (25.6) | 8 (18.6) | 0.436 |
Values are presented as number (%). CCRT, concomitant chemoradiotherapy; IC, Induction chemotherapy; T, nasopharynx; N, neck; M, distant metastasis; LF, locoregional failure; DF, distant failure.
a)
p-values were calculated using a chi-square test (or Fisher exact test).