Lupus & antiphospholipid syndrome

Incidence and prevalence of systemic lupus erythematosus in New Zealand from the national administrative datasets

LupusPublished Population-based epidemiological study

Authors' conclusion

The incidence and prevalence of SLE in New Zealand were comparable to the rates in European countries. Pacific people had the highest incidence and prevalence of SLE, more than three times the rates for Europeans/others.

Study context

Population
Systemic lupus erythematosus (SLE) cases identified from New Zealand national administrative datasets, 2010–2021
Exposure
Incidence and prevalence of SLE by gender, age group and ethnicity
Outcome
Incidence and prevalence of SLE (WHO ASR per 100,000)
Follow-up
2010-2021
Methodological detailsnational administrative datasets, WHO age-standardised rates
  • National administrative datasets
  • WHO age-standardised rates

Main finding

As reported in the abstract

Average ASR of incidence and prevalence of SLE in New Zealand, per 100,000

Average age-standardised rate (ASR) of incidence (per 100,000)

2.1

Average ASR of prevalence (per 100,000)

42.1

Observational data: associations, not effects.

Further findings

OutcomeValues
Average ASR of incidence by gender and ethnicity · 2010-2021Women 3.4 per 100,000 · Men 0.6 · Pacific women 9.8 · Asian women 5.3 · Māori women 3.6 · Europeans/Others 2.1
Average ASR of prevalence by gender and ethnicity · 2010-2021Women 65.2 per 100,000 · Men 8.5 · Pacific women 176.2 · Māori women 83.7 · Asian women 72.2 · Europeans/Others 48.5

Trend in ASR of prevalence, 2010 to 2021

Women: 2010 to 2021 (per 100,000)
60.2 to 66.1
Men: 2010 to 2021 (per 100,000)
7.6 to 8.8
  • Increasing slightly over time

Original publication

Incidence and prevalence of systemic lupus erythematosus in New Zealand from the national administrative datasets. Lupus. Published 2 June 2023. doi:10.1177/09612033231182203

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