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. 2024 Mar 29;12:e17155. doi: 10.7717/peerj.17155

Table 3. Multiple sclerosis (MS) participant characteristics.

Study Inclusion Exclusion Sample size Diagnosis MS Type Females Age EDSS Disease duration Lesion location Medication/drugs
Beer, Rösler & Hess (1995) Suspected MS,
admitted to inpatient neurology department
Pacemaker, seizure, intracranial neurosurgery, increased intracranial pressure,
Any neurologic disorder,
Age < 16 years
142 Poser et al. (1983) NR 80 37 (16–66) NR 2.9 (0–25) Periventricular,
Infratentorial
NR
Caramia et al. (2004) Definite RMS,
active or inactive,
EDSS 0–3,
≥ 2 relapses
NR 79 McDonald et al. (2001) 47 inactive RMS,
32 active RMS
39 inactive RMS,
27 active RMS
Inactive RMS 37.8 (20–55),
Active RMS 35.1 (18–52)
Inactive RMS 1 (0–2),
Active RMS 2 (1–3)
Inactive RMS 4.5 (1–15),
Active RMS 4.1 (1–11)
Centrum semiovale, subcortical None
Cruz-Martínez et al. (2000) Definite MS Pacemaker, seizure, or intracranial neurosurgery 50 Poser et al. (1983) NR 31 31.9 (15–58) NR 4.2 (0–15) 98% subcortical, internal capsule, mesencephalon, pons,
86% sensory pathways,
67% cervical spinal cord,
62% cerebellum,
44% brainstem,
40% optic radiations
NR
Facchetti et al. (1997) Definite MS,
outpatients at neurology clinic
PPMS, probable MS, or possible MS 53 Poser et al. (1983) 40 RMS,
13 SPMS
30 RMS,
10 SPMS
RMS 36 ± 10,
SPMS 40 ± 7.4
RMS 2 ± 1,
SPMS 5 ± 1
RMS 8.1 ± 7.5,
SPMS 11.8 ± 5.8
Subcortical NR
Hess et al. (1987) Definite, probable, or possible MS,
referred for neurophysiological investigation or admitted to inpatient neurology department
Pacemaker, seizure, intracranial neurosurgery 83 Poser et al. (1983) NR NR 41.4 (18–68) NR 8.3 (0–33) NR NR
Jung et al. (2006) Definite or possible MS,
inactive disease for ≥6 weeks,
EDSS ≤ 4
NR 49 McDonald et al. (2001) 49 inactive RMS 27 35.2 (23–54) 1.5 (0–4) 1 ± 1.5 79% corpus callosum, supratentorial, brainstem, cerebellum Interferon Beta,
Glatiramer Acetate
No steroids
Kale et al. (2009) Definite MS,
inactive disease,
outpatients at neurology clinic
Pacemaker, seizure, intracranial neurosurgery, head trauma, other metallic implant,
Active disease in ≤8 weeks
131 Poser et al. (1983) 73 inactive RMS,
43 inactive SPMS,
15 inactive PPMS
111 36 ± 8 66 participants 0–2,
33 participants 2–4,
32 participants >4
NR NR No steroids
Kale, Agaoglu & Tanik (2010) Definite MS,
inactive RMS or SPMS
outpatients at neurology clinic
Pacemaker, seizure, intracranial neurosurgery, head trauma, other metallic implant,
Active disease in ≤8 weeks
79 McDonald et al. (2001) 60 inactive RMS,
19 inactive SPMS
51 35.3 ± 7.6 41 participants 0–2,
19 participants 2–4,
19 participants > 4
32 participants <5,
31 participants 5–10,
16 participants >10
39% corpus callosum atrophy No steroids
Kandler et al. (1991) Definite, probable, possible, or suspected MS Pacemaker, seizure, intracranial neurosurgery 162 McDonald & Halliday (1977) NR 112 38 (16–75) NR NR NR NR
Leocani et al. (2006) Definite MS,
inactive disease,
outpatients at neurology clinic,
complete neurologic exam and evoked potentials <3 weeks apart
Active disease in ≤2 months 84 Poser et al. (1983) 43 inactive RMS,
28 inactive SPMS,
13 inactive PPMS
28 inactive RMS,
18 inactive SPMS,
5 inactive PPMS
Inactive RMS 33.7 ± 9.4,
Inactive SPMS 41 ± 9.5,
Inactive PPMS 43.8 ± 6.9
Inactive RMS 3 (1–6),
Inactive SPMS 5 (2.5–8),
Inactive PPMS 5.5 (2–6.5)
Inactive RMS 7.1 ± 5.9,
Inactive SPMS 9.4 ± 7.1,
Inactive PPMS 4.5 ± 5.5
NR No steroids
Magistris et al. (1999) Definite, probable, or suspected MS,
referred for neurophysiological investigation
NR 116 Poser et al. (1983) NR NR 39 (17–76) NR NR NR NR
Mayr et al. (1991) Definite MS NR 44 Poser et al. (1983) NR 31 37.8 NR 7.9 NR NR
Pisa et al. (2020) Definite PrMS,
diagnosed ≥12 months prior,
admitted for neurorehabilitation,
referred for neuromodulation/neurorehabilitation,
inactive disease for ≥6 months,
EDSS 4–6.5,
Pyramidal functional systems score ≥3, cerebellar score ≤2, and cerebral score <2
Pacemaker, seizure, intracranial neurosurgery, head trauma, other metallic implant, stroke, pregnancy,
Comorbidity affecting ambulation,
Recent botulinum toxin treatment
50 Revised McDonald (2010), Polman et al. (2011) 32 inactive SPMS,
18 inactive PPMS
27 49.4 ± 7.5 5.8 ± 0.7 ≥1 NR No steroids
Ravnborg et al. (1992) Suspected MS,
admitted to inpatient neurology department
Any neurologic disorder 68 Poser et al. (1983) 40 diagnosed as MS, 28 diagnosed as no MS 38 40 (18–63) NR 1 (0–20) Corticospinal tract, periventricular, subcortical, cerebellum NR
Schmierer et al. (2000) Definite MS NR 50 Poser et al. (1983) 50 RMS 32 33 (16–52) 2 (0–4.5) 2.4 (1–6) 88% middle/posterior corpus callosum, 69% pericallosal,
56% anterior corpus callosum
NR
Schmierer et al. (2002) Definite MS,
no active disease for ≥3 months
NR 118 Poser et al. (1983) 96 inactive RMS,
19 inactive PPMS,
3 inactive SPMS
76 37 (16–65) 2.9 (0–6.5) 4.9 (1–21) NR No steroids
Tataroglu et al. (2003) Definite MS,
inactive disease,
outpatients at neurology clinic
Any neurologic or systemic disease 50 McDonald et al. (2001) 37 RMS,
21 PrMS,
38 RMS 28.6 (17–49),
PrMS 42.2 (26-56)
RMS 1.7 ± 1.2,
PrMS 4.5 ± 1.9
6.7 (1–22) 82% periventricular/corpus callosum,
12% brainstem and periventricular,
7% brainstem and cervical spinal cord
No steroids

Notes:

Age and disease duration are reported in years. Continuous data are expressed as median (range) or mean ± standard deviation. DMT, disease modifying therapy; EDSS, Expanded Disability Status Scale; MS, multiple sclerosis; NR, not reported; PPMS, primary progressive multiple sclerosis; PrMS, progressive MS; SPMS, secondary progressive MS.