. Author manuscript; available in PMC: 2025 Apr 1.

Published in final edited form as: Mult Scler Relat Disord. 2024 Feb 11;84:105494. doi: 10.1016/j.msard.2024.105494

Table 2.

Contrast-Enhancing Lesion Characteristics.

Contrast-Enhancing Lesion Characteristics (n=164)	Values

Number of CELs per participant, median (25^th, 75^th percentile)	8 (4, 15)

Duration of Gd-enhancement, months, median (SD)	1 (0.74)

Number of PBHs, n (percentage of total CELs, %)	59 (36%)

Number of monthly scans per participant, median (range)	4.5 (4-6)

Monthly Scan at which a CEL was first observed, n (percentage of total CELs, %)
0	63 (38.4%)
1	44 (26.8%)
2	32 (19.5%)
3	10 (6.1%)
4	7 (4.3%)
5	8 (4.9%)

Time between monthly and final follow-up scan, months, median (range)	12.4 (11.7-19.2)

Abbreviations: CELs = contrast-enhancing lesions; Gd = gadolinium; PBH = persistent black hole