Baseline characteristics of cohort
| Characteristics | Number or % |
| Age, years (SD) | 47.1 (±18.4) |
| Male (%) | 46.8% |
| Autosomal dominant (%) | 42 (24.9%) |
| RP1 | 11 |
| RHO | 6 |
| PRPF31 | 3 |
| RP11 | 3 |
| PRPF8 | 2 |
| RDS | 2 |
| RP9 | 1 |
| Unknown/not tested | 14 |
| Autosomal recessive/sporadic (%) | 112 (66.3%) |
| USH2A | 10 |
| MYO7A | 3 |
| USH1C | 2 |
| CRB1 | 2 |
| Unknown/not tested | 95 |
| X linked (%) | 8 (4.7%) |
| RPGR | 6 |
| Unknown/not tested | 2 |
| Unclear inheritance | 7 (4.1%) |
Autosomal dominant, autosomal recessive and X linked were determined clinically, with molecular confirmation in some patients.