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Table 2 The distribution of gender and age in registered cases

From: National Rare Diseases Registry System (NRDRS): China’s first nation-wide rare diseases demographic analyses

Categories Number Percentage (%)
Gender Male 34,857 55.92
Female 27,475 44.08
Age (years) 0–18 18,311 36.07
19–30 7,725 15.22
31–40 7,070 13.93
41–50 7,026 13.84
51–60 5,466 10.77
61–70 3,672 7.23
 ≥ 71 1,492 2.94