Table 3. The elevation of serum hybrid κ\λ antibody and IgG4 in AIP.

		IgG4 elevation (≥1350 mg/L)
Hybrid κ\λ antibody elevation (≥4.04 AU/mL)		Yes	No
	Yes	42 (68.8%)	7 (11.5%)
	No	6 (9.8%)	6 (9.8%)