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News
A new meta-analysis reveals that systemic lupus erythematosus (SLE) hits women hardest in their 30s, but men don't see peak diagnosis until their 60s. The study also uncovered striking racial and ethnic disparities, with Black women aged 20–39 carrying the highest burden. Researchers say age and sex must be considered together when evaluating and studying SLE.
A large meta-analysis drawing on six CDC-supported population-based registries has shed new light on who gets lupus — and when. The study found that systemic lupus erythematosus (SLE) peaks in women during their 30s, while men don't hit their highest incidence until their 60s. This three-decade gap in peak diagnosis age between sexes is a significant finding that could reshape how clinicians screen for and diagnose the disease.
The research also revealed stark racial and ethnic disparities. Black women aged 20–39 had the highest SLE incidence of any group, while Asian women showed the highest rates before age 20, and American Indian/Alaska Native women had the highest rates after age 60.
By the Numbers:
Why it matters: The late peak in male SLE diagnosis — combined with the fact that 15% of all cases are diagnosed at 60 or older — signals that lupus is being underrecognized in older and male populations. Clinicians who overlook SLE in these groups risk delayed diagnoses and worse outcomes.
