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. 2015 May 24;17(8):1166–1173. doi: 10.1093/neuonc/nov069

Table 6.

Age-adjusted incidence rate (per 100 000 population) of intracranial meningiomas by World Health Organization grade and race (2004–2010)

WHO Grade Rate (95% CI)
White Black AIAN API
I 6.14 (6.10–6.18) 7.36 (7.25–7.48) 4.24 (3.90–4.60) 6.99 (6.81–7.17)
II 0.27 (0.26–0.28) 0.36 (0.33–0.38) 0.11 (0.06–0.18) 0.36 (0.32–0.40)
III 0.08 (0.07–0.08) 0.12 (0.10–0.13) 0.05 (0.02–0.09) 0.12 (0.10–0.15)

Abbreviations: AIAN, American Indian/Alaskan Native; API, Asian Pacific Islander; CI, confidence interval.