Table 1 Baseline demographic for the 28 patients with BAE

Age, y

 Mean ± SD

49.5 ± 13.8

 Range

24–74

Gender, n (%)

0.023

 Female

8 (28.6%)

 Male

20 (71.4%)

Race

 Mongoloid Chinese, n (%)

28 (100%)

Systemic diseases, n (%)

0.308

 Hypertension

5 (17.9%)

 Diabetes mellitus

2 (7.1%)

 Coronary heart disease

2 (7.1%)

 History of cerebral infarction

1 (3.6%)

 Without systemic diseases

18 (64.3%)

Glaucoma type, n (%)

≤ 0.001

 Primary open-angle glaucoma

11 (39.3%)

 Primary angle closure glaucoma

6 (21.4%)

 Primary congenital glaucoma

2 (7.1%)

 Possner-Schlossman syndrome

2 (7.1%)

 Traumatic glaucoma

1 (3.6%)

 Sturge-Weber syndrome

1 (3.6%)

 Corticosteroid glaucoma

2 (7.1%)

 Uveitic glaucoma

1 (3.6%)

 Unknown

2 (7.1%)

Previous glaucoma filtration surgery, n (%)

≤ 0.001

 Trabeculectomy

25 (89.3%)

 Ex-PRESS implantation

3 (10.7%)

Bleb location, n (%)

 Superior

28 (100%)

Adjunctive antimetabolite used, n (%)

Unknown^a