The epidemiological characteristics of neurogenic limb deformity disorder in China: a national-based study from Qin Sihe orthopedic center

Table 3 Age distribution of patients

Age group	Common diseases		Rare diseases		Total cases (n)	Total proportion (%)
Age group	Cases (n)	Proportion (%)	Cases (n)	Proportion (%)	Total cases (n)	Total proportion (%)
1–5	1363	4.78	63	3.77	1426	4.72
6–10	4310	15.11	244	14.61	4554	15.08
11–15	4683	16.42	333	19.94	5016	16.61
16–20	5780	20.26	362	21.68	6142	20.34
21–25	5283	18.52	294	17.60	5577	18.47
26–30	3409	11.95	178	10.66	3587	11.88
31–35	1970	6.91	87	5.21	2057	6.81
36–40	902	3.16	49	2.93	951	3.15
41–45	343	1.20	33	1.98	376	1.25
46–50	245	0.86	15	0.90	260	0.86
51–60	209	0.73	8	0.48	217	0.72
61–70	25	0.09	3	0.18	28	0.09
70–80	2	0.01	1	0.06	3	0.01

In all cases, the oldest age was 73 years, the youngest age was 1 year, and the average age was 19.65 years

ISSN: 1471-2458