Hubungan Faktor Sosio Demografi, Gizi, dan Kondisi Klinis Terhadap Lama Rawat Inap Pasien Stroke Iskemik di RSPON Prof.Dr.dr. Mahar Mardjono Jakarta = The Association Between Sociodemograpic, Nutritional, and Clinicial Factors with Length Of Stay in Ischaemic Stroke Patients at National Brain Center Hospital Prof.Dr.dr. Mahar Mardjono Jakarta