Document Classification

Section Type: RESULTS

Text: Twenty-six cases in control group, effect in 19 cases (73. 08 %), effective in 7 cases (26. 92 %) ; ESS score : Preoperative 11. 91 + / - 2. 40, after the first 6 months 6. 92 + / - 2. 47, t-test P value of less than 0. 05 between the experimental group and the control group ; There are no ear fullness, hearing loss, increase their own sound which reflect eustachian tube dysfunction and other complications in two groups ; The function of pharyngeal cavity could be recovered normal lever after 6 months ; After 6 months of the operation, in the experimental group and the control group L1 mean was respectively (5. 91 + / - 3. 38) mm and (6. 20 + / - 3. 76) mm (P > 0. 05) ; L2 mean was respectively (15. 70 + / - 3. 29) mm and (15. 35 + / - 1. 44) mm (P > 0. 05) ; L3 mean was respectively (20. 54 + / - 3. 33) mm and (16. 43 + / - 2. 21) mm (P < 0. 05).