ENO2 and systemic lupus erythematosus: For all students who commenced level 3, Levels 3 to 6 were completed by 390 of 410 GE students (95.1%), 847 of 865 (97.9%) SLE students and 142 of 148 (95.9%) NSE students (Pearson Chi square = 7.77, P = 0.021).