Table 2 Subject characteristics by source of data and overall. Median and range of visual function measures are provided for first visit for each study, and overall visits
From: Validation of a vision-related activity scale for patients with retinitis pigmentosa
| Â | CERA | Derby | MEEI | SERI | VASNC | Overall |
|---|---|---|---|---|---|---|
Male | 12 (55%) | 69 (65%) | 211 (50%) | 7 (50%) | 14 (52%) | 313 (53%) |
Median age (range) (yrs) | 68 (31–85) | 47 (18–83) | 37.5 (18–57) | 54 (43–77) | 47 (29–59) | 40 (18–85) |
Median VA (range) (logMAR) | 0.35 (−0.04–2.4) | NA | 0.24 (− 0.10–1.06) | 0.34 (− 0.04–0.70) | 0.51 (0.10–1.58) | 0.24 (−0.10–2.4) |
Median Goldmann (range) (deg.2) | 235 (35–5958) | NA | 5533 (74–14,119) | 222 (54–3351) | NA | 6152 (35–16,679) |
Median HFA (range) (dB) | NA | NA | 1089 (269–3449) | 74 (13–119) | NA | 981 (1.2–3449) |
ERG (range) (μV) | NA | NA | 2.28 (0.06–62.6) | NA | NA | 2.28 (0.06–62.6) |