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Table 3 Incidence of seizures per age group

From: The neurology of rhizomelic chondrodysplasia punctata

Age, y RCDP cases in this cohort1 Number of cases with epilepsy (%)1
Total (Severe/mild) Severe phenotype Mild phenotype3
<1 16 (12/4) 2/12 (17%) 0/4 (0%)
1–4 152 (11/4) 9/11 (82%) 0/4 (0%)
4–12 102 (6/4) 6/6 (100%) 1/4(25%)
>12 52 (2/3) 2/2 (100%) 2/3 (67%)
  1. 1Patients younger at time of analysis and patients deceased are excluded. 2One patient died at age <1 yrs; 4 patients died at age 1–4; 2 patients died at age 4–12 yrs. 3Patients with the milder phenotype were diagnosed after age 4 years.
  2. y: years.