Table 2.
Predictors of lupus psychosis by multivariate analysisa
| Predictor, factor level | HR (95% CI) | P |
|---|---|---|
| Other concurrent NP events | ||
| No concurrent NP events | 1 | |
| Any unresolved NP events attributed to SLE | 3.59 (1.16–11.14) | 0.027b |
| Any unresolved NP events not attributed to SLE but no events attributable to SLE | 0.89 (0.21–3.82) | 0.087b |
| Global test | – | 0.082 |
| Sex | ||
| Female | 1 | |
| Male | 3.0 (1.20–7.50) | 0.019b |
| Younger age at SLE diagnosis (per 10 years) | 1.45 (1.01–2.07) | 0.044b |
| Race | ||
| Caucasian | 1 | |
| African | 4.59 (1.79–11.76) | 0.002b |
| Asian and other | 0.93 (0.24–3.64) | 0.913b |
| Hispanic | 1.37 (0.39–4.85) | 0.622b |
| Global test | – | 0.005 |
a
HR = hazard ratio; 95% CI = 95% confidence interval; NP = neuropsychiatric; SLE = systemic lupus erythematosus.
b
By Wald's test.