Table 1.
Comparison of demographic and clinical characteristics of patients presenting to the glaucoma outpatient service between March 23 and June 23, 2019 and March 23 and June 23, 2020
| Parameters | 2019 (n=4542) n (%) | 2020 (n=1408) n (%) | Mean difference (95% CI) | Percentage change (%) and P |
|---|---|---|---|---|
| Glaucoma outpatients/Total outpatients | 25083/257339 | 4788/54345 | 0.0093 (0.0067 to 0.0120) | 80.91 (D) |
| <0.0001P | ||||
| Glaucoma emergency patients | 4542/25083 (18.1) | 1408/4788 (29.4) | -0.112 (-0.126 to -0.0992) | 62.40 (I) |
| <0.001P | ||||
| Mean age, years (SD) | 50.46±17.6 | 52.3±18.0 | -1.79 (-2.85 to -0.73) | <0.0001T |
| Sex, male/female | 3139/1403 | 913/495 | - | 0.003C |
| Patient type, new/review | 430/4112 | 198/1210 | -0.045 (-0.066 to -0.025) | 48.42 (I)/5.08 (D) |
| 0.045 (0.025 to 0.066) | <0.001C | |||
| Reasons for hospital visit, Scheduled visit | 2848 (62.7) | 840 (59.6) | 0.030 (0.001 to 0.059) | 0.0398P |
| Procedures@ | 437 (9.6) | 108 (7.7) | 0.019 (0.003 to 0.035) | 0.0266P |
| Investigations$ | 108 (2.4) | 10 (0.7) | 0.016 (0.01 to 0.023) | 0.0001P |
| Others* | 1149 (25.29) | 450 (31.96) | - 0.066 (-0.094 to -0.039) | <0.001P |
| Baseline glaucoma severity | ||||
| E1-High risk for progression | 844 (18.6) | 390 (27.7) | - 0.091 (-0.117 to -0.065) | 48.92 (I) |
| E2-Moderate risk for progression | 1162 (25.6) | 279 (19.8) | 0.057 (0.033 to 0.082) | 22.65 (D) |
| E3-No risk | 2536 (55.8) | 739 (52.5) | 0.033 (0.003 to 0.063) | 5.91 (D) |
| <0.001C | ||||
| Distance to hospital from patient’s home: | ||||
| Within 100 km in Tamil Nadu | 3291 (94.3) | 1140 (81.5) | 0.127 (0.105 to 0.149) | 13.57 (D) |
| Outside 100 km in Tamil Nadu | 199 (5.7) | 258 (18.5) | - 0.127 (-0.149 to -0.105) | 224.56 (I) |
| Total | 3490 (100%) | 1398 (100%) | <0.001C |
PProportion test; CChi-square test; TTwo-sample t-test; D-Percentage decrease; I-Percentage increase; Bolded P are significant (P<0.05); *Others - Defective vision, pain, trauma, and referral; †4.3 times more in 2020; ‡1.9 times more in 2020; @Laser suturelysis, goniopuncture, iridoplasty, and suture removal; $HFA, OCT, and Fundus photo; ¦939 glaucoma surgeries in 2019; ?115 glaucoma surgeries in 2020