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Table 2 Demonstration of CHIKV IgM 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 IgM (%) Negativity for IgM (%)
Neuro-CHIKV patients (n = 46) 22 (48%) 24 (52%)
Confirmed (n = 9) 8 (89%) 1 (11%)
   Encephalitis (n = 4) 3 (75%) 1 (25%)
   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) 14 (38%) 23 (62%)
   Encephlitis (n = 20) 5(25%) 15 (75%)
   Myelopathy (n = 5) 3 (60%) 2 (40%)
   Myeloneuropathy (n = 6) 4 (67%) 2 (33%)
   Peripheral Neuropathy (n = 6) 2 (33%) 4 (67%)
Non-CHIKV patients (n = 15) 4 (27%) 11 (73%)