Figure 3
From: Twenty years of surveillance in Rett syndrome: what does this tell us?
Influence of mutation type, adjusted for age, on selected health conditions. The error bars denote 95% confidence intervals. Seizure (n = 411) was defined as having active epilepsy. Walking (n = 422) was defined as able to walk with or without assistance. Scoliosis (n = 420) was defined as ever had scoliosis. Breathing problems (n = 146) were defined as having a breathing problem including breath holding and hyperventilation. Sleep problems (n = 391) were defined as having sleep disturbances. CT, C-terminal deletion; ET, early truncating; LD, large deletion; Neg/Unk, mutation negative or unknown.