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. Author manuscript; available in PMC: 2015 Aug 2.
Published in final edited form as: JAMA Ophthalmol. 2015 May;133(5):574–580. doi: 10.1001/jamaophthalmol.2015.57

Table 2.

Postoperative Complication Rates

Complication No. (%) of Eyes
Early (n = 100)a Late (n = 59)b All (N = 159)
Hyphema 38 (38.0) 5 (8.5) 43 (27.0)
Bleb leak 13 (13.0) 18 (30.5) 31 (19.5)
Hypotony 17 (17.0) 13 (22.0) 30 (18.9)
Microhyphema 17 (17.0) 1 (1.7) 18 (11.3)
Choroidal effusion 7 (7.0) 10 (16.9) 17 (10.7)
Endophthalmitis 0 8 (13.6) 8 (5.0)
Choroidal hemorrhage 7 (7.0) 0 7 (4.4)
Blebitis 1 (1.0) 2 (3.4) 3 (1.9)
Aqueous misdirection 0 2 (3.4) 2 (1.3)
a

Indicates less than 3 months after trabeculectomy.

b

Indicates 3 months or longer after trabeculectomy.