Table 1.
Baseline Demographics and Pre-Operative Characteristics
| Parameter | KDB | Trabectome | P value |
|---|---|---|---|
| Patients | 72 | 88 | |
| Total Eyes | 90 | 125 | |
| Age (years) | 72.1±9.9 | 72.6±9.6 | 0.68 |
| Females | 60.0% | 55.2% | 0.48 |
| Race/Ethnicity | |||
| African American | 31% | 40% | 0.06 |
| Caucasian | 26% | 44% | |
| Latin American | 6% | 9% | |
| Asian | 11% | 4% | |
| Unknown | 26% | 3% | |
| Glaucoma Type | |||
| Primary Open Angle | 57% | 60% | 0.38 |
| Exfoliation | 12% | 15% | |
| Pigmentary | 1% | 4% | |
| Chronic Angle Closure | 14% | 8% | |
| Normal Tension | 4% | 4% | |
| Ocular Hypertension | 3% | 5% | |
| Mixed Mechanism | 3% | 2% | |
| Glaucoma Suspect | 3% | 1% | |
| Other | 1% | 2% | |
| Glaucoma Metrics | |||
| Pachymetry (µm) | 538±51 | 545±42 | 0.25 |
| Pre-op Mean IOP (mmHg) | 16.9±4.5 | 18.3±5.9 | 0.06 |
| Pre-op Mean Medications | 2.7±1.4 | 2.3±1.3 | 0.60 |
| Mean Deviation (dB) | −8.2±6.8 | −10.3±9.0 | 0.08 |
| Severityb | |||
| Ocular Hypertension | 3% | 2% | 0.35 |
| Early | 39% | 29% | |
| Moderate | 22% | 18% | |
| Severe | 13% | 12% | |
| End-Stage | 6% | 14% | |
| OCT RNFLa Avg Thickness (µm) | 73.9±20.3 | 71.3±15.5 | 0.38 |
| Best-Corrected Visual Acuity (Snellen) | 20/83 | 20/74 | 0.47 |
| On Anticoagulation | 33% | 12% | <0.001 |
Notes: aOCT RNFL, optical coherence tomography retinal nerve fiber layer. bSeverity Based on the Enhanced Glaucoma Severity Staging system.11