Table 1. Major manifestations of mumpsa
Manifestation Frequency (%)
Glandular
Parotitis 60–70
Submandibular and/or sublingual adenitis 10
Epididymo-orchitis 25 (postpubertal men)
Oophoritis 5 (postpubertal women)
Pancreatitis 4
Neurological
Asymptomatic pleocytosis of CSF 50
Aseptic meningitis 1–10
Encephalitis 0.02–0.3
Deafness (usually transient) 4
Other
Mild renal function abnormalities 30–60
Electrocardiogram abnormalities 5–15