The primary analysis populaon included 15 paents with a mean age of 25.8
years and 9 individuals were males. Majority of individuals (66.7%) belonged to lower
middle socio-economic striata. The majority of the patients had an age of onset before the
age of 10 years (73.3%), with duration of illness of < 10 years (60.0%). The majority of the
patients were in wheelchairs (46.7%) at the time of diagnosis. Majority of them were
diagnosed with HSP 8 (46.7%). 8 out of 15 patients had VUS. In HSP 5, all four patients
(100%) had mutations in the KIF5A gene. In HSP 7, 50% of patients (2 out of 8) had
mutations in the KIFSA gene. In HSP 8, all three patients (100%) had mutations in the
WASHC5 gene.