Correction to: Understanding the relationship between the 32-item motor function measure and daily activities from an individual with spinal muscular atrophy and their caregivers’ perspective: a two-part study

Correction to: BMC Neurol 21, 143 (2021)

https://doi.org/10.1186/s12883-021-02166-z

Following publication of the original article [1], the authors reported the following errors:

• Figure 1. Information regarding the population inclusion/exclusion criteria was previously missing and has been added as a footnote.

• Part 2 quantitative online survey results: The text describing the activity domains (ADLs) most frequently raised for each item in the online survey has been corrected to nine items being more frequently associated with a different ADL domain in the quantitative online survey when compared to the interviews. The overall skip rate (12%) and country response percentage rates for the following countries US (94%), Canada (92%), France (83%), UK (87%), Poland (86%), and Spain (80%) have been corrected.

• Table 3. The footnote letters for items 4, 8, 12, 15, 24, 25, 30, and 31 have been corrected.

  Table 3 Most frequently reported ADLs in relation to MFM32 item

• Figure 4. The number of participants selecting voice, difficulty sleeping, and other as important to maintain/improve has been corrected.

  Fig. 4

  

  Additional symptoms and impacts that are important to maintain/improve not captured on motor function assessments. *Breathing/respiratory function (n = 12), muscle strength (n = 7), chewing/coughing/swallowing (n = 4), mental/psychological problems (n = 4), elimination of contractures/scoliosis (n = 3), general physical safety (n = 2), ability to feed oneself/brush teeth/sign name (n = 1), comfort (n = 1), exercise assessment (n = 1), losing weight (n = 1), moving position (n = 1), poor blood circulation/cold feet (n = 1), sexual life (n = 1), social interactions (n = 1), reason unclear (n = 1)

Additional information has been added in the Acknowledgements and Declarations sections:

• Carl Cooper (Adelphi Values) wrote the first draft of the manuscript.

• The online survey was conducted following market research principles.

• AB, TD and CV received consultancy fees from Roche for this project.

• LY, SR and ADM are employees of Charles River Associates commissioned by Roche to conduct the online survey.

The original article has been corrected. The main findings of the original article are not affected after this correction.