Table 1
Comparison of findings with previous large series
| Reference | Type of study (size) | Overall prevalence of RH | Bilater al RH | Flat RH | Multinodular RH | Transitional RH |
| Current study | Population (100) | 44% (34–54) | 34% (20–48) | 70% (56–84) | 55% (40–70) | 9% (0–18) |
| Mayo Clinic 6 | Clinic (139) | 49% (38–60) | 50% (38–62) | 57% (45–69) | 50% (38–62) | 12% (4–20) |
| Tokyo 9 | Clinic (100) | 87% (80–94) | 86% (79–93) | “almost all” | “less frequent” | Not stated |
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RH = retinal hamartoma.
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95% confidence intervals in parentheses.
