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Table 1 Demonstration of CHIKV antigen in CSF of Neuro-CHIKV and Non-CHIKV group by ELISA method.

From: Detection of viral antigen, IgM and IgG antibodies in cerebrospinal fluid of Chikungunya patients with neurological complications

Study Subjects Positivity for CHIKV Antigen (%) Negativity for CHIKV Antigen (%)
Neuro-CHIKV patients (n = 46) 37 (80%) 9 (20%)
Confirmed (n = 9) 9 (100%) 0
   Encephalitis (n = 4) 4 (100%) 0
   Myelopathy (n = 2) 2 (100%) 0
   Myeloneuropathy (n = 1) 1 (100%) 0
   Peripheral Neuropathy (n = 1) 1 (100%) 0
   Myopathy (n = 1) 1 (100%) 0
Suspected (n = 37) 28 (76%) 9 (24%)
   Encephlitis (n = 20) 16 (80%) 4 (20%)
   Myelopathy (n = 5) 5 (100%) 0
   Myeloneuropathy (n = 6) 4 (67%) 2 (33%)
   Peripheral Neuropathy (n = 6) 3 (50%) 3 (50%)
Non-CHIKV patients (n = 15) 2 (13%) 13 (87%)