| | Characteristics | NPSLE
(%) | Non-NPSLE
(%) |
| | Female | 18 (82) | 70 (92) | | Male | 4 (18) | 6 (8) | | Female : male ratio | 4,5 | 11,7 | | Age, mean ± SD (y) | | | | Caucasian | 17 (77) | 68 (89) | | Non-Caucasian | 5 (23) | 8 (11) | | Portugal | 18 (82) | 66 (87) | | Portuguese speaking Africa | 4 (18) | 8 (11) | | Brazil | 0 | 2 (3) | | Single | 9 (41) | 30 (39) | | Nonsingle | 13 (59) | 46 (61) | | Progeny | 6 (27) | 41 (54) | | Postsecondary education | 8 (36) | 33 (43) | | Disease duration, mean ± SD (years) | | | | Followup, mean ± SD (years) | | |
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