Table 1 Descriptive statistics of the subjects and results of the interference studies.
Characteristics | Positive controls (n = 130) | Non-interference cases n = 265 | Interference cases n = 77 | ||
|---|---|---|---|---|---|
Pancreatic cancer n = 48 | Cholangiocarcinoma n = 35 | Rectal cancer n = 47 | |||
Age years (median, IQR) | 67 (58–74) | 67 (62–71) | 61 (54–67) | 42 (31–61) | 48 (36–58) |
Sex (M/F) | |||||
27/21 | 20/15 | 34/13 | 53/212 | 32/45 | |
CA19-9 U/ml (median, IQR) | |||||
825.1 (579.4–3116.4) | 567.0 (250.8–2752.6) | 192.3 (104.4–1087.9) | 88.10 (67.30–131.50) | 149.80 (89.97–255.43) | |
PEG(N) | – | – | – | 10 | 77 |
HBR(N) | – | – | – | 7 | 39 |
DIL(N) | 3 | 2 | 2 | 12 | 21 |
RF(N) | 2 | 3 | - | 10 | 8 |
GFC(N) | – | – | – | – | 71 |