Table 1 Comparison of demographic and tumour marker data for the raised-AFP and control groups demonstrating the two groups to be evenly matched for age, gender, and diagnosis
High AFP | Control | P -value (Mann–Whitney U -test) | |
|---|---|---|---|
Age at diagnosis | 51 | 48 | 0.597 |
Sex (M/F) | 15/13 | 18/22 | 0.495 |
Diagnosis | |||
Metastatic NET (of unknown primary) | 9 | 13 | |
Pancreatic NET | 11 | 16 | |
Gastrinoma | 1 | 2 | |
Bronchial | 2 | 4 | |
Midgut NET | 1 | 3 | |
Hindgut NET | 1 | 0 | |
MTC | 1 | 1 | |
Thymic NET | 1 | 1 | |
Pelvic NET | 1 | 0 | |
Mean AFP (0–11.3 ng ml−1) | 273.8 | 3.5 | 0.001 |
Mean hCGβ (<2.5 mIU ml−1) | 21.3 | 1.6 | 0.001 |
Mean CgA (0–60 U l−1) | 423 | 113 | 0.002 |
Mean Ki-67 (MIB-1) | 21 | 10 | 0.009 |
Mean survival (months) | 37.6 | 69 | 0.001 |
Stage IV disease (WHO classification) | 24 of 28 (86%) | 25 of 40 (63%) | 0.037 |