Table 1.

Frequency of clinical and laboratory features in patients with SPENCD

Clinical featureNumber of patientsaPercentage as reported in Briggs et al. (14)
Skeletal dysplasia 85 96% (24/25) 
Short stature 73 96% (24/25) 
Brain calcification 36 64% (9/14) 
Developmental delay 29 28% (7/25) 
SLE 27 36% (9/25) 
Spastic paraparesis 25 44% (11/25) 
AIHAb 22 28% (7/25) 
AITPb 18 46% (12/26) 
Hypothyroidism 14 20% (5/25) 
“Significant” infections 11 20% (5/25) 
Laboratory feature 
Antinuclear antibody positive 33 95% (21/22) 
Anti-double–stranded DNA antibody positive 21 71% (15/21) 
Clinical featureNumber of patientsaPercentage as reported in Briggs et al. (14)
Skeletal dysplasia 85 96% (24/25) 
Short stature 73 96% (24/25) 
Brain calcification 36 64% (9/14) 
Developmental delay 29 28% (7/25) 
SLE 27 36% (9/25) 
Spastic paraparesis 25 44% (11/25) 
AIHAb 22 28% (7/25) 
AITPb 18 46% (12/26) 
Hypothyroidism 14 20% (5/25) 
“Significant” infections 11 20% (5/25) 
Laboratory feature 
Antinuclear antibody positive 33 95% (21/22) 
Anti-double–stranded DNA antibody positive 21 71% (15/21) 
a

Data from the 90 patients reported in the 27 references included in Table S1. Note that data on each feature was not provided for all 90 patients described in these 27 references.

b

A diagnosis of Evans syndrome was made in five patients.

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