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Relationship of antitumor activity with archival FRα expression level.
| FRα expression | No. of patients | CR | PR | ORR N (%) | PFS (months) | PFS 95% CI |
|---|---|---|---|---|---|---|
| Low | 6 | 0 | 0 | 0 (0.0) | 2.8 | (1.3, 5.4) |
| Medium | 5 | 0 | 1 | 1 (20.0) | 3.9 | (2.6, 12.7) |
| High | 16 | 2 | 3 | 5 (31.3) | 5.4 | (2.8, −) |
| Overall | 27 | 2 | 4 | 6 (22.2) | 4.2 | (2.8, 5.4) |
CR, complete response; PR, partial response; ORR, objective response rate; PFS, progression-free survival; CI, confidence interval.
