Q. 27. Rank the following items according to weight of impact on successful hearing preservation surgery: (1 = strongest predictor, 6 = weakest predictor)
Answer options	1	2	3	4	5	6	Rating average
Tumor size	32	20	5	0	0	0	1.53
Size of CSF fundal cap	2	6	27	12	5	5	3.47
Vestibular nerve of origin (i.e., superior or inferior vestibular nerve)	1	0	5	22	22	7	4.49
Preoperative hearing levels	22	28	4	3	0	0	1.79
Patient age	0	1	9	12	20	15	4.68
Widening of internal auditory canal	0	2	7	8	10	30	5.04