Table 2

Comparison between internal referrals and external referrals of new patients

Internal referralsNew patients
Patient data
Number of patients1227168
Average review processing time8.34 days13.6 days
VA of better eye (average)64.1 ETDRS letters81.5 ETDRS letters
Disease and grade
Diabetic retinopathy (not graded)20 (1.6%)2 (1.2%)
R0M072 (5.9%)2 (1.2%)
R0M1A1 (0.1%)
R1M0239 (19.5%)38 (22.8%)
R1M1351 (28.6%)34 (20.4%)
R1M1A2 (0.2%)
R1M1S39 (3.2%)
R2M032 (2.6%)2 (1.2%)
R2M176 (6.2%)
R2M1A8 (0.7%)
R3M056 (0.7%)
R3M164 (5.2%)
R3M1A7 (0.6%)
Dry AMD74 (6.0%)17 (10.2%)
Retinal vein occlusion56 (4.6%)2 (1.2%)
Central serous retinopathy21 (1.7%)2 (1.2%)
Other101 (8.2%)68 (40.7%)
Not gradable due to bad image quality8 (0.7%)1 (0.6%)
Outcomes
Percentage of patients discharged179 (14.6%)76 (45.5%)
Percentage of patients continued in virtual clinic669 (54.5%)62 (37.1%)
Time until next follow-up in virtual clinic211.6 days (+/–80.3)243.8 days (+/–78.8)
Patients brought to face-to-face clinic379 (30.9%)29 (17.4%)
Time until next follow-up in face-to-face clinic178.2 days (+/–103.9)139.3 days (+/–88.6)
  • Only those  patients  are included, who attended their first appointment.

  • AMD, age-related macular degeneration; ETDRS, early treatment diabetic retinopathy study; VA, visual acuity.