[Detection rate on un-repaired cleft lip/palate patients in Gansu province in 2008].
To investigate the number and distribution of un-repaired cleft lip/palate patients in Gansu province. A census was conducted by staff members of the health system and Population and Family Planning Committee (PFPC) in Gansu province. Standardized - Questionnaires were administered to collect demographic, domestic and diagnosis-related information. In 2008, the total number of un-repaired cleft lip/palate patients was 4675, with a detection rate of 1.84/10 000 in Gansu province. Rates of detection were higher in males (2.11/10 000), young age group (4.86/10 000), rural areas (2.23/10 000), poor counties (2.19/10 000) than in females (1.43/10 000), medium (0.97/10 000)/old age group (0.68/10 000), township areas (0.62/10 000), or richer counties (1.35/10 000). Among all the cities and prefectures of Gansu, Baiyin city (2.7/10 000) had the highest while Jinchang city (0.7/10 000) had the lowest prevalence rates. Un-repaired cleft lip/palate had been a disease burden to Gansu province, especially in the rural area and poorer counties.