Table 2 Early postoperative complications.

From: Randomized Clinical Trial for Early Postoperative Complications of Ex-PRESS Implantation versus Trabeculectomy: Complications Postoperatively of Ex-PRESS versus Trabeculectomy Study (CPETS)

Type of complication

Trabeculectomy n = 32

Ex-PRESS n = 32

P value

Hyphema (%)

8 (25.0%)

0 (0%)

0.0025*

Flat anterior chamber (%)

5 (15.6%)

3 (9.4%)

0.45

Choroidal detachment (%)

4 (12.5%)

6 (18.8%)

0.49

Hypotonic maculopathy (%)

1 (3.1%)

1 (3.1%)

1.00

  1. The Chi-square test test.
  2. *Statistically significant (P < 0.05).
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