Sex and gender differences in rheumatology: clinical impact and future directions

초록

Sex and gender shape disease presentation, diagnostic accuracy, treatment response and clinical outcomes in rheumatology, yet these dimensions remain insufficiently embedded in clinical practice. Owing to the markedly unbalanced sex prevalence ratios across many rheumatic diseases, the 'minority' sex is consistently under-represented in clinical studies, limiting the interpretation of long-term outcomes and treatment effectiveness. Sex-related differences in pain perception, inflammatory biomarkers and imaging patterns further complicate disease assessment, and treatment allocation and drug persistence also differ between women and men. Gender-related factors - including disparities in care-seeking behaviours, social roles and lifestyle factors - additionally modulate symptom burden and disease trajectories. Evidence remains particularly scarce for transgender, gender-diverse and intersex individuals, who are rarely captured in clinical cohorts, restricting the development of inclusive and generalizable evidence. Embedding sex-aware and gender-aware approaches into diagnostic reasoning, risk assessment and therapeutic decision-making is therefore essential for advancing precision, equity and truly personalized rheumatological care. Such integration enables clinicians to interpret disease signals more accurately, anticipate divergent multimorbidity trajectories and tailor treatment strategies to the biological and sociocultural contexts of each patient.

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