Table 1.

Demographic and therapeutic profile of NP-SLE patients distinguished on the basis of IgG bands in their CSF (n = 6 patients/group)

Variable	IgG negative	IgG positive	χ2 or t-test	p
Females	83.3%	83.3%	0	NS
Mean age (yrs)	51.3 ± 4.8	43.5 ± 4.7	1.157	NS
Smokers	33.3%	33.3%	0	NS
SLE duration (yrs)	5.5 ± 0.4	3.7 ± 1.6	1.117	NS
Cum. dose of CY (g)	11 ± 2.1	6.1 ± 2.9	1.337	NS
Pronison® (mg/day)	7.5 ± 0	16.2 ± 4	2.15	0.05

CY = cyclophosphamide