Table 3.

Correlation analysis between Ig A, Ig G, and TNF-α, and sIL-2R and β₂-MG in patients at first diagnosis and subsequent visit.

Groups	Time	sIL-2R (g/L)		β 2-MG (g/L)
		r	P	r	P
Ig G (g/L)	First diagnosis	0.225	0.024	0.213	0.033
	Subsequent visit	0.242	0.016	0.209	0.037
Ig A (g/L)	First diagnosis	0.167	0.096	0.247	0.013
	Subsequent visit	0.216	0.031	0.298	0.003
TNF-α (g/L)	First diagnosis	0.440	<0.001	0.235	0.019
	Subsequent visit	0.823	<0.001	0.501	<0.001