Table 2 Patient and ocular characteristics of eyes achieving post-op BCVA of better than 20/40 or 20/40 or worse
From: Visual acuity after cataract surgery in Macular Telangiectasia Type 2 Stage 3 to 5
Characteristic | All | Post-op BCVA > 20/40 | Post-op BCVA ≤ 20/40 | Odds ratio [95% CI] | p-value |
|---|---|---|---|---|---|
Patient characteristics | |||||
Age (years) [IQR] | 69.0 [63.8–78.0] | 69.0 [62.0–72.0] | 69.0 [65.0–78.0] | 0.96 [0.83, 1.11] | 0.568 |
Sex (eyes) | |||||
Female | 19 | 8 | 11 | – | 1.00 |
Male | 1 | 1 | 0 | ||
Ethnicity (eyes) | |||||
White or Caucasian | 18 | 8 | 10 | 0.80 [0.29, 2.23] | 0.669 |
Asian | 2 | 1 | 1 | ||
Hypertension (eyes) | |||||
Absent | 4 | 3 | 1 | 0.20 [0.03, 1.67] | 0.136 |
Present | 16 | 6 | 10 | ||
Diabetes mellitus (eyes) | |||||
Absent | 11 | 4 | 7 | 2.19 [0.38, 12.62] | 0.381 |
Present | 9 | 5 | 4 | ||
Ocular characteristics | |||||
Pre-op BCVA [IQR] (ETDRS letters) | 57.0 [47.5–63.2] | 61.0 [55.0–76.0] | 50.0 [20.0–59.5] | 1.12 [1.02, 1.23] | 0.0131* |
MacTel Disease Stage (eyes) | |||||
Stage 3 | 3 | 1 | 2 | 1.45 [0.40, 5.29] | 0.573 |
Stage 4 | 15 | 7 | 8 | ||
Stage 5 | 2 | 1 | 1 | ||
OCT findings | |||||
Central foveal EZ break (eyes) | |||||
Absent | 7 | 7 | 0 | 5.62 × 10–10 [2.89 × 10–10, 1.09 × 10–9] | < 0.001** |
Present | 13 | 2 | 11 | ||
Pre-op central subfield thickness [IQR] (μm) | 216 [190–256] | 212 [167–233] | 221 [194–278] | 0.99 [0.97, 1.01] | 0.308 |
Cataract grading | |||||
Nuclear sclerosis (eyes) | |||||
Grade 1 | 1 | 0 | 1 | 1.71 [0.51, 5.68] | 0.383 |
Grade 2 | 13 | 6 | 7 | ||
Grade 3 | 6 | 3 | 3 | ||
Cortical cataract (eyes) | |||||
Grade 0 | 10 | 6 | 4 | 0.74 [0.32, 1.74] | 0.491 |
Grade 1 | 2 | 0 | 2 | ||
Grade 2 | 3 | 1 | 2 | ||
Grade 3 | 5 | 2 | 3 | ||
PSC (eyes) | |||||
Grade 0 | 15 | 7 | 8 | 0.93 [0.19, 4.55] | 0.930 |
Grade 1 | 3 | 1 | 2 | ||
Grade 2 | 2 | 1 | 1 | ||