Table 1.

Tf‐CE: CV of each sialotransferrin in inter‐day and intra‐day assays

	Level of control	%CV of transferrin isoforms
		Asialo	Mono	Disialo	Trisialo	Tetrasialo	Pentasialo
Inter‐day	Normal		‐	11.92	4.08	4.72	18.30
	High	31.46	‐	6.29	9.03	1.84	8.58
Intra‐day	Normal		‐	8.32	2.32	0.57	1.90
	High	12.86	‐	5.55	7.44	0.62	3.48