Table 1.
Baseline Characteristics of Patients Receiving Combined iSI and Phacoemulsification versus Phacoemulsification Alone
| Comparison of Baseline Characteristics Between Intervention Groups† | |||
|---|---|---|---|
| iStent® Inject and Phacoemulsification | Phacoemulsification | p | |
| Number of eyes | 63 | 59 | − |
| Number of patients | 41 | 34 | − |
| Demographics | |||
| Age (years) | 71.2 ± 8.3 | 72.4 ± 9.0 | 0.533 |
| Sex (female) [n%] | 23 (56) | 25 (74) | 0.009* |
| Number of Medications^ | |||
| Overall | 0.8 ± 1.1 | 0.0 ± 0.1 | − |
| For patients on medication at baseline | 1.9 ± 0.9 | 1.0 ± 0.0 | − |
| Number of patients on medication at baseline (n%) | 29 (46) | 1 (1.6) | − |
| Baseline Ocular Measurements | |||
| Intraocular pressure in mmHg | 16.0 ± 3.9 | 13.5 ± 3.3 | <0.001* |
| Best corrected visual acuity in logMAR | 0.2 ± 0.2 | 0.1 ± 0.1 | 0.515 |
| Spherical equivalent in D | −1.2 ± 2.4 | 1.0 ± 2.2 | <0.001* |
| Mean deviation in dB | −3.6 ± 3.9 | −3.2 ± 5.1 | 0.121 |
| Previous selective laser trabeculoplasty (n%) | 36 (57) | 7(12) | <0.001* |
Notes: †Presented as [mean ± SD] unless otherwise specified. –Not applicable. ^Anti-glaucoma medication. *Denotes significance at p < 0.05. Number (n); p-value (p); standard deviation (SD)