“…This information may also be useful to patients in helping them decide whether to have nasal surgery as well as to set realistic expectations regarding likely outcomes. Studies have examined age [ 2 – 6 ], gender [ 3 , 5 – 8 ], smoking habits [ 3 , 5 ], allergy [ 3 , 6 , 9 – 13 ], prior surgery [ 6 , 8 ], and preoperative obstruction scores [ 3 , 5 , 14 ] as predictive clues to the outcome of nasal surgery. Only a few studies have examined the type and grade of septal deviation [ 5 , 15 , 16 ].…”