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Table 5 Predictive values for surgical success

From: Can drug-induced sleep endoscopy improve the success rates of tongue base surgery?

 MM groupDISE group
Surgical success (n = 20)Surgical failure (n = 27)P - valueSurgical success (n = 22)Surgical failure (n = 26)P -value
Sex, male (%)15 (75%)25 (92.6%)0.09420 (90.1%)22 (84.6%)0.511
Age43.7 ± 11.244.8 ± 13.00.76838.5 ± 10.444.5 ± 13.20.090
BMI25.4 ± 2.825.5 ± 3.40.85226.3 ± 3.526.3 ± 3.00.958
NC40.1 ± 12.937.7 ± 2.50.37139.0 ± 2.738.7 ± 3.20.703
W/H ratio0.91 ± 0.060.92 ± 0.070.6490.88 ± 0.070.92 ± 0.050.018*
Tonsil grade1.9 ± 0.81.2 ± 0.70.004**2.1 ± 0.91.6 ± 0.80.042*
MMP3.0 ± 0.82.9 ± 0.70.6703.1 ± 0.62.9 ± 0.90.583
Friedman staging2.5 ± 0.82.8 ± 0.40.3432.2 ± 0.62.4 ± 0.80.486
AHI37.9 ± 2.441.0 ± 17.80.58153.2 ± 21.743.7 ± 19.20.115
Supine AHI53.6 ± 24.053.7 ± 21.40.99666.0 ± 19.258.7 ± 23.00.259
AHINREM37.0 ± 19.041.9 ± 19.20.40555.4 ± 22.745.0 ± 21.10.115
AHIREM37.5 ± 29.233.4 ± 21.40.60353.7 ± 25.346.8 ± 24.80.378
Nadir O2 sat, (%)81.4 ± 4.879.4 ± 8.20.29477.1 ± 8.778.3 ± 9.50.632
ESS9.7 ± 5.19.4 ± 4.80.8508.5 ± 5.27.8 ± 5.20.682
Nasopharyngoscopic evaluation aV1.8 ± 0.61.5 ± 0.50.1432.0 ± 0.01.9 ± 0.30.161
O1.2 ± 0.60.9 ± 0.50.031*1.5 ± 0.71.4 ± 0.80.596
T1.1 ± 0.50.8 ± 0.60.1121.5 ± 0.51.6 ± 0.50.275
E0.1 ± 0.30.04 ± 0.20.3940.4 ± 0.70.2 ± 0.50.186
Nasal surgery, n (%)11 (55.0%)19 (70.3%)0.27811 (50%)11 (42.3%)0.594
  1. Abbreviations: MM Muller’s maneuver, DISE Drug-induced sleep endoscopy, BMI Body mass index, NC Neck circumference, W/H ratio Waist/hip ratio, MMP Modified Mallampati grade, AHI Apnea-hypopnea index, NREM Non-rapid eye movement sleep, REM Rapid eye movement sleep, Nadir O2sat Nadir O2 saturation, ESS Epworth sleepiness scale, V Velum, O Oropharynx lateral wall, T Tongue base, E Epiglottis
  2. * p < 0.05, **p < 0.01; statistical analyses were performed by independent t-test
  3. a Scoring occlusion level was represented according to the surgical decision methods for each group; by MM for MM group and by DISE for DISE group