Table 3.
Comparison of emergency diagnosis, laser PI, and incisional surgeries between March 23 and June 23, 2019 and March 23 and June 23, 2020
| Parameters | 2019 n (%) | 2020 n (%) | Mean difference (95% CI) | Percentage change (%) and P* |
|---|---|---|---|---|
| Emergency diagnosis, n | 4542 | 1408 | ||
| Secondary open-angle glaucoma | 2113 (46.5) | 513 (36.4) | 0.101 (0.71 to 0.13) | 21.72 (D) and <0.001 |
| Neovascular glaucoma | 1023 (22.5) | 335 (23.8) | -0.013 (0.04 to 0.01) | 5.77 (I) and 0.3211 |
| Phacomorphic glaucoma | 131 (2.9) | 114 (8.1) | -0.052 (-0.07 to -0.04) | 179.3 (I) and <0.001 |
| Secondary angle-closure glaucoma | 116 (2.6) | 78 (5.5) | -0.029 (-0.04 to -0.02) | 111.5 (I) and <0.001 |
| Phacolytic glaucoma | 129 (2.8) | 74 (5.3) | -0.025 (-0.04 to -0.01) | 89.28 (I) and <0.001 |
| Others† | 1030 (22.67) | 294 (20.88) | 0.018 (-0.01 to 0.04) | 7.89 (D) and 0.1568 |
| Procedures (Laser and surgeries), n | 2715 | 475 | 82.5 (D) | |
| Laser peripheral iridotomy, n | 1606/2715 (59.2%) | 231/475 (48.63%) | 0.104 (0.06 to 0.15) | 17.78 (D) and <0.0001 |
| Primary angle closure glaucoma | 808/1606 (50.3) | 42/231 (18.2) | 0.321 (0.27 to 0.38) | 63.81 (D) and <0.0001 |
| Primary angle closure and primary angle closure suspects | 750/1606 (46.7) | 152/231 (65.8) | -0.191 (-0.26 to -0.13) | 40.89 (I) and <0.0001 |
| Acute-angle closure glaucoma | 25/1606 (1.6) | 21/231 (9.1) | -0.74 (-0.11 to -0.04) | 468.75 (I) and <0.0001 |
| Secondary glaucoma | 19/1606 (1.2) | 14/231 (6.1) | -0.049 (-0.08 to -0.02) | 408.33 (I) and <0.0001 |
| Nanophthalmos | 4/1606 (0.3) | 2/231 (0.9) | -0.06 (-0.1 to -0.2) | 200 (I) and 0.1245 |
| Small-incision cataract surgery | 170/2715 (6.26%) | 129/475 (27.15%) | -0.208 (-0.25 to -0.17) | 333.71 (I) and <0.0001 |
| Total glaucoma surgeries (Diode and incisional surgeries), n | 939/2715 (34.58%) | 115/475 (24.2%) | 0.1 (0.06 to 0.14) | 30.02 (D) and <0.0001 |
| Transscleral cyclophotocogulation | 133/939 (14.16) | 45/115 (39.13) | -0.25 (-0.34 to -0.16) | 176.34 (I) and <0.0001 |
| Incisional surgeries | 806/939 (85.83) | 70/115 (60.86) | 0.24 (0.15 to 0.33) | 29.09 (D) and <0.0001P |
| Nonpenetrating deep sclerectomy | 15/939 (1.59) | 4/115 (3.47) | -0.19 (-0.05 to 0.12) | 118.2 (I) and 0.1525 |
| Combined trabeculectomy with cataract surgery | 505/939 (53.78) | 29/115 (25.21) | 0.28 (0.19 to 0.37) | 53.12 (D) and <0.0001 |
| Trabeculectomy | 158/939 (16.82) | 20/115 (17.39) | -0.01 (-0.08 to 0.06) | 3.38 (D) and 0.8787 |
| Glaucoma tube shunt surgery | 128/939 (13.63) | 17/115 (14.78) | -0.01 (-0.08 to 0.06) | 8.43 (D) and 0.7352 |
*Proportion test; D - Percentage decrease; I - Percentage increase; Bolded P are significant (P<0.05); †Juvenile glaucoma, traumatic glaucoma, uveitic glaucoma, steroid-induced glaucoma, acute angle-closure glaucoma, and developmental glaucoma