Table 2 Data availability at different time points.

From: Circulating levels of neurofilament light chain as a biomarker of infarct and white matter hyperintensity volumes after ischemic stroke

 

Participants

Missing

Acute phase and 3-months

316

 

 - MRI

316

 

 - sNfL acute

235

Before Oct. 1999, serum was not collected in the acute phase (64); serum not available or not analyzable (17)

 - sNfL 3-months

288

Deceased (7); serum not available or not analyzable (21)

7-year follow-up

193

Deceased (28); declined (33); severe disability (25); lost to follow up (15); severe illness (9); long distance (4); not in Sweden (2)

 - MRI

187

Contraindications (6)

 - sNfL

190

Serum not available or not analyzable (3)

  1. MRI = magnetic resonance imaging; sNfL = Serum neurofilament light chain protein.
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