Table 1

Baseline characteristics

Gel stent (n=34)Trabeculectomy (n=34)P value
Age, years72.7 (9.5)74.2 (7.7)0.462
Female, %55.9 (19)70.6. (24)0.107 *
Baseline IOP, mm Hg23 (19–28)22 (17–28)0.640
Baseline IOP-lowering medications2.91 (0.82)2.72 (1.16)0.509
Glaucoma type, %0.709 *
 POAG85.3 (29)91.2 (31)
 PXFG14.7 (5)8.8 (3)
Visual field, dB−13.2 (10.2)−13.4 (8.8)0.946
Lens status, %0.051
 Pseudophakia67.7 (23)41.2 (14)
 Clear lens32.3 (11)58.8 (20)
BCVA0.78 (0.22)0.68 (0.32)0.202
  • Preoperative IOP median IQR.

  • Drugs pre: number of IOP-lowering medication before surgery.

  • 2. Data are mean (SD) or percentage (number), or median (IQR).

  • BCVA, best-corrected visual acuity; dB, decibel; IOP, intraocular pressure; MD, mean deviation; POAG, primary open-angle glaucoma; PXFG, pseudoexfoliative glaucoma.