Prevalence of constitutional symptoms stratified according to posttreatment status in study of persistent symptoms after Lyme neuroborreliosis and increased levels of interferon-α in blood among patients in Slovenia.. Total number of symptoms in Lyme neuroborreliosis patients at each time point displayed according to resolved (n = 52, white box plots) or persistent (n = 27, gray box plots) symptoms [PTLDS]). Horizontal lines within boxes indicate medicans, box tops and bottoms 25th‒75th percentiles, and error bars 10th‒90th percentiles. Numbers above bars indicate p values. NA, not applicable; PTLDS, posttreatment Lyme disease symptoms or syndrome.