(a) STK1p assay. The correlation score was analysed in batches of hTK1-IgY-rmAb# 5 using the semiautomatic ECL dot blot assay with the BSA platform

Source of serum samples	r ∗ value	Display range∗∗
	Pearson correlation	Different batch (OD)
Changzhou Cancer Hospital (n = 50)	0.811	0-1502
Shenzhen Charity Hospital (n = 83)	0.848	0-1438
Shenzhen Longhua Com. Hospital (W13, n = 80)	0.825	0-1722
Shenzhen Longhua Com. Hospital (W18, n = 79)	0.953	0-1638
Total (n = 292)	0.875

Shenzhen Longhua Community Hospital W13 and 18. ^∗r: Pearson correlation score; ^∗∗display range indicates that the data are reliable in this range.