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. 2021 Jun 9;157(7):1–8. doi: 10.1001/jamadermatol.2021.1847

Table 3. Mean Annualized Prevalence of Granuloma Annulare in the United States (January 1, 2017, to December 31, 2018).

Population Granuloma annulare cases, No. Prevalence per 100 000 (95% CI) Prevalence, %
All granuloma annulare cases 8930 58.3 (57.1-59.5) 0.06
Sex
Female 6774 86.2 (84.1-88.3) 0.09
Male 2157 28.9 (27.7-30.1) 0.03
Age, y
≤19 468 19.1 (17.4-20.9) 0.02
20-29 335 19.9 (17.7-22.0) 0.02
30-39 647 33.4 (30.9-36.0) 0.03
40-49 953 51.7 (48.4-55.0) 0.05
50-59 1771 91.5 (87.3-95.8) 0.09
≥60 4757 86.8 (84.3-89.3) 0.09
Race/ethnicity
White 6370 72.7 (70.9-74.4) 0.07
Black 388 30.7 (27.6-33.7) 0.03
Hispanic 547 33.6 (30.8-36.4) 0.03
Asian 126 20.5 (16.9-24.1) 0.02
Other or unknown 1500 49.2 (46.7-51.7) 0.05
Income, $
<49 000 1341 47.5 (44.9-50.0) 0.05
50 000-74 000 1165 61.3 (57.8-64.8) 0.06
75 000-99 000 1169 70.8 (66.8-74.9) 0.07
≥100 000 3034 75.3 (72.6-78.0) 0.08
Unknown 2221 45.1 (43.3-47.0) 0.05
Educational level
Less than 12th grade 16 21.1 (10.6-31.6) 0.02
High school diploma 1483 45.6 (43.3-47.9) 0.05
Less than bachelor degree 4346 62.7 (60.8-64.5) 0.06
Bachelor degree plus 1939 74.4 (71.1-77.7) 0.07
Unknown 1148 46.7 (44.0-49.4) 0.05