Cerebral palsy
Table:
Cerebral palsy

A child with cerebral palsy
Specialty	Pediatrics, neurology, physiatry
Symptoms	Poor coordination, stiff muscles, weak muscles, tremors[1]
Complications	Seizures, intellectual disability[1]
Usual onset	Early childhood[1]
Duration	Lifelong[1]
Causes	Often unknown[1]
Risk factors	Preterm birth, being a twin, certain infections during pregnancy, difficult delivery[1]
Diagnostic method	Based on child's development[1]
Treatment	Physical therapy, occupational therapy, speech therapy, external braces, orthopedic surgery[1]
Medication	Diazepam, baclofen, botulinum toxin[1]
Frequency	2.1 per 1,000[2]

Looking at the table, decide if the statement is entailed, neutral, or refuted by the data. Return the result as JSON: {"answer": "YOUR ANSWER"}.

Assertion: Cerebral palsy affects nearly a quarter of the population.

answer: refuted