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[Preprint]. 2023 Feb 13:rs.3.rs-2521595. [Version 1] doi: 10.21203/rs.3.rs-2521595/v1

Table 1.

Demographics and clinical data (N = 82)

No Relapse (n = 44; 53.7%) Relapse (n = 38; 46.3%) All (n = 82)
Demographics
Sex
Female 26 59.1% 18 47.4% 44 53.7%
Male 18 40.9% 20 52.6% 38 46.3%
Race
Caucasian 34 77.3% 31 81.6% 65 79.3%
Black 6 13.6% 4 10.5% 10 12.2%
Asian 4 9.1% 3 7.9% 7 8.5%
Ethnicity
Non-Hispanic 13 29.5% 13 34.2% 26 31.7%
Hispanic 31 70.5% 25 65.8% 56 68.3%
Age at symptom onset 14.1 (3.5) 15.6 (4.6) 14.8 (4.1)
Age at diagnosis 16.5 (4.1) 17.9 (5.1) 17.2 (4.6)
Age at Therapy 16.8 (4.1) 18.4 (4.9) 17.5 (4.5)
Δ Age at Symptom Onset and Age at Diagnosis 2.4 (1.9) 2.3 (1.8) 2.4 (1.8)
Δ Age at Therapy and Age at Diagnosis* 0.3 (0.5) 0.5 (0.6) 0.4 (0.6)
Δ Age at Therapy and Age at Symptom Onset 2.7 (2.1) 2.8 (1.7) 2.8 (1.9)
Time (months) to Symptom Peak 3.7 (2.5) 3.3 (2.5) 3.5 (2.5)
Trigger Present 20 45.5% 20 52.6% 40 48.8%
Type of Trigger
Infection 9 20.5% 7 18.4% 16 19.5%
Change of School/Work/Home Environment 6 13.6% 5 13.2% 11 13.4%
Loss of Family/Caregiver/Friend 2 4.5% 2 5.3% 4 4.9%
Death 1 2.3% 2 5.3% 3 3.7%
Change in Residence 0 0.0% 2 5.3% 2 2.4%
Abuse 1 2.3% 1 2.6% 2 2.4%
Medical Change 1 2.3% 1 2.6% 2 2.4%
Disease Biometrics
Probable DSRD Criteria 17 38.6% 13 34.2% 30 36.6%
History of Personal Autoimmune Disease 18 45.0% 15 46.9% 33 45.8%
Serum Cytokines 7 26.9% 13 54.2% 20 40.0%
Catatonia 30 68.2% 30 78.9% 60 73.2%
EEG Abnormal* 7 17.5% 12 37.5% 19 26.4%
MRI Abnormal** 4 10.0% 12 37.5% 16 22.2%
Lumbar Puncture Abnormal** 3 7.5% 9 28.1% 12 16.7%
Any Neurodiagnostic Study Abnormal** 9 22.5% 20 62.5% 29 40.3%
Psychotropic Medications at Baseline 35 79.5% 30 78.9% 65 79.3%
Benzodiazepines 22 50% 17 44.7% 39 47.6%
SSRI/SNRIs 17 38.6% 10 26.3% 27 32.9%
Antipsychotics 8 18.2% 7 18.4% 17 20.7%
Anticonvulsants 2 4.5% 5 13.1% 7 8.5%
Mood Stabilizers 3 6.8% 0 0% 3 3.6%
Prior Immunotherapy 3 6.8% 1 2.6% 4 4.9%
IVIg Brand
Gammaguard 27 61.4% 28 73.7% 55 67.1%
Octagam 11 25.0% 7 18.4% 18 22.0%
Privagen 6 13.6% 3 7.9% 9 11.0%
IVIg Duration 7.5 (2.4) 7.8 (2.1) 7.6 (2.3)
Baseline Clinical Features
25 Foot Walk** 9.4 (4.5) 12.3 (6.4) 10.7 (5.6)
Bush Francis Severity Score 16.6 (9.9) 19.5 (10.9) 17.9 (10.4)
CGI Severity of Illness** 3.3 (1.3) 4.1 (1.5) 3.6 (1.4)
NPI Total Score** 18.7 (5.7) 21.8 (5.9) 20.1 (6.0)
NPI Delusions 3.8 (1.9) 3.6 (1.6) 3.7 (1.8)
NPI Hallucinations* 1.2 (1.4) 1.8 (1.7) 1.5 (1.5)
NPI Agitation 2.1 (1.4) 1.9 (1.6) 2.0 (1.5)
NPI Anxiety 0.8 (0.9) 0.6 (0.7) 0.7 (0.8)
NPI Apathy* 2.5 (1.5) 3.1 (1.6) 2.8 (1.5)
NPI Irritability** 1.7 (1.2) 2.5 (1.5) 2.1 (1.4)
NPI Euphoria 0.5 (0.8) 0.6 (0.8) 0.5 (0.8)
NPI Disinhibition 0.5 (0.9) 0.7 (1.4) 0.5 (1.2)
NPI Aberrant Motor 2.6 (1.7) 3.3 (1.9) 2.9 (1.8)
NPI Night Time 2.3 (1.7) 2.7 (1.5) 2.5 (1.6)
NPI Appetite/Eating 0.7 (1.0) 1.0 (1.5) 0.9 (1.2)
*

p < 0.1 (italic font);

**

p < 0.05 (bold font).

Data are mean (SD) or frequency and percentage %. The frequency and percentages of incomplete variables are as follows: History of Personal Autoimmune Disease (n = 10; 12.2%), Serum Cytokines (n = 32; 39%), EEG Abnormal (n = 10; 12.2%), MRI Abnormal (n = 10; 12.2%), Lumbar Puncture Abnormal (n = 10; 12.2%), and Any Neurodiagnostic Study Abnormal (n = 10; 12.2%). Δ = difference between. Multiple responses allotted for types of trigger and psychotropic medications at baseline.