Table 2. Incidence (per 100 000 people) of RRD by age.

Age (y)	No. of patients	Population (thousand)a	Incidence	95%CI
0-9	5	928.5	0.11	0.00-0.32
10-19	74	1093.9	1.35	0.67-2.03
20-29	209	1828.3	2.29	1.60-2.98
30-39	257	1822.9	2.82	2.06-3.58
40-49	495	1526.4	6.49	5.25-7.73
50-59	1009	914.4	22.07	19.38-24.76
60-69	1095	514.0	42.61	38.33-46.89
70-79	350	340.8	20.54	16.25-24.83
80-89	53	137.4	7.71	3.25-12.17
≥90	4	12.7	6.30	0.00-19.66
Total	3551	9119.4	7.79	7.24-8.34

RRD: Rhegmatogenous retinal detachment. ^adata obtained from 2010 population census of China.