Table 2.
Comparison of clinical evaluation findings of patients presenting with glaucoma emergencies 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 |
|---|---|---|---|---|
| Presenting UCVA, Number of eyes | 5026 | 1522 | ||
| Mean (SD) in Log Mar | 1.36 (1.03) | 1.55 (1.06) | - 0.19 (-0.24 to -0.13) | <0.001M |
| Presenting BCVA, Number of eyes | 1829 | 453 | ||
| Mean (SD) in Log Mar | 1.05 (1.07) | 1.15 (1.12) | - 0.093 (-0.2 to 0.017) | 0.183M |
| Presenting IOP, Number of eyes | 4565 | 1315 | ||
| Mean (SD) | 23.01 (13.32) | 26.91 (15.86) | - 3.9 (-4.75 to -3.04) | <0.001M |
| Lens, Number of eyes | 5139 (100%) | 1555 (100%) | ||
| Pseudophakia | 1978 (38.5) | 599 (38.5) | -0.0003 (-0.27 to 0.02) | >0.99P |
| Clear lens | 1356 (26.4) | 407 (26.2) | 0.002 (-0.022 to 0.027) | 0.75 (D) and 0.875P |
| Cataract | 1135 (22.1) | 448 (28.8) | - 0.067 (-0.09 to -0.04) | 30.31 (I) and <0.001P |
| Aphakia | 657 (12.8) | 101 (6.5) | 0.062 (0.047 to 0.078) | 49.21 (D) and <0.001P |
| Subluxated | 13 (0.3) | 0 | 0.002 (0.001 to 0.0039) | 0.0471P |
| Gonioscopy, Number of eyes | 5592 (100%) | 1654 (100%) | ||
| Closed | 433 (7.7) | 169 (10.2) | - 0.024 (-0.04 to -0.008) | 32.46 (I) and 0.0014P |
| Open | 5159 (92.3) | 1485 (89.8) | 0.024 (0.008 to 0.041) | 2.7 (D) and 0.0014P |
| Fundus, Number of eyes | 4860 | 1432 | ||
| <0.85 | 1498 (30.8) | 430 (30.02) | 0.01 (-0.017 to 0.04) | 2.53 (D) and 0.4712P |
| >0.85 | 1313 (27) | 291 (20.32) | 0.07 (0.045 to 0.09) | 24.74 (D) and <0.001P |
| GOA | 160 (3.3) | 25 (1.8) | 0.015 (0.006 to 0.023) | 45.45 (D) and 0.0032P |
| No fundus view | 1889 (38.86) | 686 (47.9) | - 0.091 (-0.112 to -0.06) | 23.26 (I) and <0.001P |
MMann-Whitney U-test; PProportion test; GOA - glaucomatous optic atrophy; UCVA - Uncorrected visual acuity; BCVA - Best-corrected visual acuity; IOP - Intraocular pressure; D - Percentage decrease; I - Percentage increase; Bolded P are significant (P<0.05)