Table 3 Univariate analysis of ocular features recorded in the electronic health record system.
Features | Surgical failure (\(\hbox {n}=126\)) | Surgical success (\(\hbox {n}=104\)) | P value |
|---|---|---|---|
(19) History of angle surgery (n, %) | 11 (8.7) | 9 (8.7) | 1.000 |
(20) History of selective laser trabeculoplasty (SLT) (n, %) | 44 (34.9) | 33 (31.7) | 0.712 |
(21) History of previous trabeculectomy (n, %) | 5 (4.0) | 5 (4.8) | 1.000 |
(22) Pseudophakia (n, %) | 43 (34.1) | 36 (34.6) | 1.000 |
(23) Diabetes mellitus (DM) (n, %) | 36 (28.6) | 35 (33.7) | 0.492 |
(24) Study eye | Â | Â | 1.000 |
   Left (n, %) | 63 (50.0) | 52 (50.0) |  |
   Right (n, %) | 63 (50.0) | 52 (50.0) |  |
Number of pre-operative topical glaucoma medications | |||
(25) (0, 1) (n, %) | 7 (5.6) | 10 (9.6) | 0.359 |
(26) (2, 3) (n, %) | 82 (65.1) | 71 (68.3) | 0.712 |
(27) (4, 5) (n, %) | 37 (29.4) | 23 (22.1) | 0.273 |
(28) Topical beta blocker (n, %) | 92 (73.0) | 74 (71.2) | 0.868 |
(29) Topical prostaglandin analogue (PGA) (n, %) | 103 (81.7) | 73 (70.2) | 0.057 |
(30) Topical alpha-agonist (n, %) | 62 (49.2) | 53 (51.0) | 0.895 |
(31) Topical carbonic anhydrase inhibitor (CAI) (n, %) | 67 (53.2) | 51 (49.0) | 0.623 |
(32) Oral CAI (n, %) | 17 (13.5) | 10 (9.6) | 0.482 |
(33) Angle anatomy | Â | Â | 0.647 |
   Open angle glaucoma (OAG) (n, %) | 113 (89.7) | 96 (92.3) |  |
   Angle closure glaucoma (ACG) (n, %) | 13 (10.3) | 8 (7.7) |  |
(34) Pre-operative visual acuity (VA) (Mean, SD) | 0.49 (0.6) | 0.46 (0.7) | 0.720 |
Pre-operative IOP | |||
(35) < 18Â mmHg (n, %) | 42 (33.3) | 30 (28.8) | 0.557 |
(36) \(>=\) 18 and \(<= 25\) (n,%) | 40 (31.7) | 34 (32.7) | 0.991 |
(37) \(> 25\) (n,%) | 44 (34.9) | 40 (38.5) | 0.676 |
(38) Surgery-trabeculectomy with cataract extraction (n, %) | 21 (16.7) | 13 (12.5) | 0.484 |
(39) Central corneal thickness (CCT) (Mean, SD) | 554.9 (48.3) | 548.8 (45.2) | 0.326 |
