Lower In-Hospital Mortality with Plasma Exchange than Plasmapheresis in a Subgroup Analysis of 374 Lupus Patients

Table 2

Comparison of survival and mortality rates between systemic lupus erythematosus patients according to treatment modality.

Treated systemic lupus erythematosus cases		Discharge condition		Subtotal	Plasma exchange ()			Plasma exchange & plasmapheresis ()			Plasmapheresis ()			value
		Survival	Death		Survival	Death	Subtotal	Survival	Death	Subtotal	Survival	Death	Subtotal
Year	2000	24	2	26	20	2	22	0	0	0	4	0	4	0.71
	2001	13	2	15	12	2	14	0	0	0	1	0	1	0.87
	2002	18	2	20	17	2	19	0	0	0	1	0	1	0.90
	2003	19	4	23	13	3	16	2	1	3	4	0	4	0.50
	2004	29	0	29	26	0	26	1	0	1	2	0	2	ND
	2005	27	0	27	23	0	23	2	0	2	2	0	2	ND
	2006	18	0	18	17	0	17	0	0	0	1	0	1	ND
	2007	19	2	21	15	2	17	0	0	0	4	0	4	0.65
	2008	21	0	21	15	0	15	0	0	0	6	0	6	ND
	2009	29	2	31	17	0	17	7	0	7	5	2	7	0.03
	2010	21	2	23	18	0	18	1	0	1	2	2	4	<0.01
	2011	21	2	23	15	1	16	2	0	2	4	1	5	0.57
	2012	27	2	29	23	1	24	2	0	2	2	1	3	0.16
	2013	26	1	27	23	1	24	2	0	2	1	0	1	0.94
	2014	40	1	41	33	0	33	1	0	1	6	1	7	0.08
Total		352	22	374	287	14	301	20	1	21	45	7	52	0.04

indicates ; the comparison is significant between and , as well as between , , and ; ND indicates that death is a constant, which is zero.