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Table 4 Evaluation of the pre- and postoperative polysomnographic findings and ESS scores in both groups

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

 MM group (n = 47)DISE group (n = 48)
Pre OpPost OpP-valuePre OpPost OpP-value
AHI39.7 ± 18.820.0 ± 13.9< 0.001***48.1 ± 20.724.3 ± 20.1< 0.001***
Supine AHI53.5 ± 22.532.1 ± 22.90.002**62.0 ± 21.532.3 ± 25.3< 0.001***
AHINREM39.3 ± 19.219.2 ± 14.0< 0.001***49.8 ± 22.224.0 ± 21.2< 0.001***
AHIREM36.2 ± 22.418.7 ± 13.3< 0.001***50.4 ± 25.524.5 ± 20.2< 0.001***
Nadir O2 saturation (%)80.3 ± 7.083.3 ± 8.30.018*77.7 ± 9.184.3 ± 7.0< 0.001***
ESS9.4 ± 4.97.7 ± 4.1< 0.014*8.1 ± 5.27.4 ± 5.00.165
  1. Data are represented as mean ± standard deviation
  2. Abbreviations: MM Muller’s maneuver, DISE Drug-induced sleep endoscopy, AHI Apnea-hypopnea index, NREM Non-rapid eye movement sleep, REM Rapid eye movement sleep, ESS Epworth sleepiness scale
  3. * p < 0.05, **p < 0.01, ***p < 0.001; statistical analyses were performed using paired t-test