Mishiro Y, Sakagami M, Adachi O, Kakutani C
Prognostic factors for short-term outcomes after ossiculoplasty using multivariate analysis with logistic regression. [Journal Article]
Arch Otolaryngol Head Neck Surg 2009 Aug; 135(8):738-41.
OBJECTIVE: To investigate prognostic factors for short-term hearing outcomes after ossiculoplasty.
DESIGN: Retrospective study.
SETTING: Tertiary referral and academic center.
PATIENTS: Seven hundred twenty patients who underwent ossiculoplasty performed by a single surgeon from January 1, 1989, through December 31, 2006, and who were followed up for longer than 1 year.
MAIN OUTCOME MEASURES: Hearing outcomes were considered successful if the postoperative air-bone gap was 20 dB or less. The prognostic factors were analyzed using multivariate analysis with logistic regression.
RESULTS: Hearing outcomes were successful in 505 patients (70.1%). Presence of the stapes superstructure, presence of the malleus handle, normal mucosa, normal stapes mobility, and use of local anesthesia were significantly favorable predictive factors.
CONCLUSIONS: Multivariate analysis should be performed to investigate prognostic factors of favorable short-term hearing outcomes after ossiculoplasty. Better knowledge of these predictive factors may contribute to the surgeon's judgment and the information given to patients.
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