title: The prevalence, intensity and clinical signs of urinary schistosomiasis in Imo state, Nigeria.
abstract: Urine samples were assayed for urinary schistosomiasis in four local government areas (LGA) of Imo State, Nigeria between May 1998 and September 2000. A total of 3504 persons were sampled, with 880 (25.1%) being positive for urinary schistosomiasis, based on records of eggs of Schistosoma haematobium. The prevalence of S. haematobium infection differed in the various LGAs, with Oguta (38.9%) and Owerri-West (10.4%) showing the highest and the lowest values, respectively. Prevalence was higher in males (67.4%) than in females (32.6%) and in subjects 11-20 years of age (31.5%), while prevalence varied among different occupational groups, with farmers ranking the highest (41.6%). Visible haematuria was the predominant symptom (P<0.05). Of 880 persons positive for eggs of S. haematobium, 452 (51.4%) had visible haematuria, followed by suprapubic pains 214 (24.3%) and painful micturition 97 (11.0%). Although 367 (10. 5%) of the sampled subjects with eggs of S. haematobium showed no visible haematuria, 513 (14.6%) clearly demonstrated haematuria.
authors.affiliation: Department of Environmental Technology, Federal University of Technology, PMB 1526, Owerri, Nigeria. chidiokoli_futo@yahoo.com
authors.forename: C G
authors.initials: CG
authors.lastname: Okoli
authors.forename: M O E
authors.initials: MO
authors.lastname: Iwuala
mesh_terms: D000293:Adolescent; D000328:Adult; D017677:Age Distribution; D000818:Animals; D016009:Chi-Square Distribution; D002648:Child; D002675:Child, Preschool; D005243:Feces / Q000469:parasitology; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D009549:Nigeria / Q000453:epidemiology; D010270:Parasite Egg Count; D015995:Prevalence; D012548:Schistosoma haematobium / Q000302:isolation & purification*; D012553:Schistosomiasis haematobia / Q000453:epidemiology*; D017678:Sex Distribution; D014552:Urinary Tract Infections / Q000453:epidemiology* / Q000469:parasitology*