Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Hanyar wucewa: Sarcoidosis ya fi shafar matasa na maza da mata, kodayake nazarin ya ba da rahoton ƙarin lokuta a cikin mata. Yawan cutar ya fi girma ga mutane 'yan kasa da shekaru 40 kuma ya kai kololuwa a cikin rukunin shekaru daga 20 zuwa 29; an lura da kololuwa ta biyu ga mata sama da shekaru 50. Sarcoidosis yana faruwa a duk faɗin duniya a cikin dukkan kabilu tare da matsakaicin abin da ya faru na 16.5 a kowace 100,000 a cikin maza da 19 a kowace 100,000 a cikin mata. Cutar ta fi yawa a ƙasashen Arewacin Turai kuma ana samun mafi girman abin da ya faru na shekara-shekara na 60 a cikin 100,000 a Sweden da Iceland. A cikin United Kingdom yawan ya kai 16 cikin 100,000. A cikin Amurka, sarcoidosis ya fi yawa a cikin mutanen Afirka fiye da Caucasians, tare da rahoton shekara-shekara na 35.5 da 10.9 na 100,000, bi da bi. Sarcoidosis ba a yawan bayar da rahoto a Kudancin Amurka, Spain, Indiya, Kanada, da Philippines. Akwai yiwuwar samun saukin kamuwa da sarcoidosis a cikin wadanda ke da cutar celiac. An ba da shawarar haɗi tsakanin rikice-rikice guda biyu. An kuma lura da wani rukuni na yanayi a cikin mutanen da ke fama da cutar sarcoidosis. A Girka kusan kashi 70% na masu kamuwa da cutar suna faruwa ne tsakanin Maris da Mayu a kowace shekara, a Spain kusan kashi 50% na masu kamuwa da cutar suna faruwa ne tsakanin Afrilu da Yuni, kuma a Japan galibi ana bincikar su ne a watan Yuni da Yuli. Bambancin abin da ya faru a duniya na iya zama akalla a wani bangare saboda rashin shirye-shiryen bincike a wasu yankuna na duniya, da kuma kasancewar wasu cututtukan granulomatous, kamar tarin fuka, wanda zai iya tsoma baki tare da ganewar asali na sarcoidosis inda suke da yawa. Hakanan akwai bambance-bambance a cikin tsananin cutar tsakanin mutane na kabilu daban-daban. Bincike da yawa sun nuna cewa bayyanar a cikin mutanen asalin Afirka na iya zama mai tsanani da yaduwa fiye da na Caucasians, waɗanda suka fi saurin kamuwa da cutar ba tare da alamun cutar ba. Bayyanar da alama ta ɗan bambanta dangane da tsere da jima'i. Erythema nodosum ya fi yawa a cikin maza fiye da mata kuma a cikin Caucasians fiye da sauran tsere....  Tambaya: Wace tsere ce Erythema nodosum ya fi yawa a ciki?
'Yan Caucasians