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. Author manuscript; available in PMC: 2024 Jan 1.
Published in final edited form as: Sex Transm Dis. 2022 Sep 30;50(1):42–44. doi: 10.1097/OLQ.0000000000001717

Table 2.

Characteristics of participant with increase in adjusted serum NfL concentration after treatment for asymptomatic neurosyphilis.

Time relative to NS treatment Adjusted serum NfL pg/mL CSF WBCs/uL CSF-VDRL titer Serum RPR titer

2 weeks before 11.99 50 8 64
3 months after -- 20 2 32
6 months after -- 5 2 32
14 months after 21.09 10 2 16

CSF, cerebrospinal fluid; NfL, neurofilament light chain; NS, neurosyphilis; RPR, rapid plasma reagin; WBC, white blood cells.