Table 2.

The comparison of basic information of angle closure in young patients

	Number of patients	Female/male No. (%)	Age at diagnosis, mean ± SD (range), years	Number of etiologies	The most common diagnosis (no. %)
Our patients	298	153 (51%)/145 (49%)	25.6 ± 13.0 (0.1–40)	18	PACG (100, 32.6%)
Ritch et al	67	49 (73%)/18 (27%)	31.3 ± 8.5 (3–40)	10	PACG (37, 55.2%)

PACG, primary angle-closure glaucoma. Six patients were enrolled in two different groups: they all had PACG in one eye, and uveitis (1 patient), ICE syndrome (1 patient), NVG (1 patients), and nanophthalmos (3 patients) in the fellow eye. They were counted 0.5 in each group respectively for statistical analysis