Table 3.
Objective response rate in patients with and without prior neck dissection
| Criteria | All patients | With prior neck dissection | Without prior neck dissection | p-value |
|---|---|---|---|---|
| Number of patients, N (%) | 50 (100.0) | 19 (38.0) | 31 (62.0) | |
| BORa, n (%) | 40 (80.0) | 13 (26.0) | 27 (54.0) | 0.7575 |
| CR | 0 (0.0) | 0 (0.0) | 0 (0.0) | |
| PR | 10 (25.0) | 3 (23.1) | 7 (25.9) | |
| SD | 7 (17.5) | 2 (15.4) | 5 (18.5) | |
| PD | 23 (57.5) | 8 (61.5) | 15 (55.6) | |
| ORRa | ||||
| n (%) | 10 (25.0) | 3 (23.1) | 7 (25.9) | 0.8455 |
| 95% CI | (12.7–41.2) | (5.0–53.8) | (11.1–46.3) | |
| DCRa | ||||
| n (%) | 17 (42.5) | 5 (38.5) | 12 (44.4) | 0.7200 |
| 95% CI | (27.0–59.1) | (13.9–68.4) | (25.5–64.7) |
BOR best overall response, CI confidence interval, CR complete response, DCR disease control rate, ORR objective response rate, PD progressive disease, PR partial response, RECIST Response Evaluation Criteria in Solid Tumors, SD stable disease
aRECIST version 1.1