As of 2016, an estimated 8,526 to 10,333 individuals were living with Spinal Muscular Atrophy (SMA) Types I, II, and III in the United States. These figures represent the most comprehensive estimations available for the prevalence of SMA in the US during that period.
Understanding the Estimated Prevalence of SMA in the US
The number of people living with Spinal Muscular Atrophy (SMA) is derived from detailed estimations that account for different types of the condition. These estimates utilize survival data from various studies conducted within the United States. The total estimated count encompasses individuals diagnosed with SMA Types I, II, and III, which represent the majority of cases.
Breakdown by SMA Type
The estimated total number of individuals with SMA in the US in 2016 can be further categorized by the specific type of SMA. This breakdown provides a clearer picture of the distribution of the condition among different severities.
| SMA Type | Estimated Number of Individuals (2016) |
|---|---|
| Type I | 1,455 – 1,764 |
| Type II | 3,567 – 4,322 |
| Type III | 3,504 – 4,247 |
These estimations are crucial for understanding the patient population, supporting research, and allocating resources for treatment and care. They reflect a comprehensive effort to quantify the impact of SMA across the nation.
