Table 6 Comparisons between ctDNA progression, radiologic progression, and CA19-9 progression
Comparison | Value |
|---|---|
ctDNA progression vs radiologic progression | |
 ctDNA progression earlier | 15 (48.4) |
 Lead time (days) | 60 (28–94) |
 On the same day | 11 (35.5) |
 Radiologic progression earlier | 5 (16.1) |
ctDNA progression vs CA19-9 progression | |
 ctDNA progression earlier | 13 (41.9) |
 Lead time (days) | 58 (44–93) |
 On the same day | 15 (48.4) |
 CA19-9 progression earlier | 3 (9.7) |