Table 1 Comparison of preoperative and postoperative treatment outcomes.
From: Suspension Palatoplasty for Obstructive Sleep Apnea- A Preliminary Study
Variables | Preoperative | Postoperative | Effect size |
|---|---|---|---|
Mean (95% CI) | Mean (95% CI) | ||
Subjective symptoms | |||
Snoring severity (visual analogue scale) | 8.7 (8.3‒9.2) | 2.1 (1.4‒2.9) | 6.2a |
Daytime sleepiness (Epworth sleepiness scale) | 10.2 (8.4‒12.1) | 4.9 (3.7‒6.1) | 1.3a |
Endoscopic measurement of the retropalatal space in perioperative period | |||
Anterior-posterior diameter (unit) | 23.0 (15.1‒30.9) | 184.6 (161.4‒207.8) | 2.7a |
Lateral diameter (unit) | 167.9 (143.3‒192.5) | 336.5 (314.8‒358.2) | 2.6a |
Lateral cephalometry | |||
Posterior airway space (mm) | 7.6 (6.7‒8.5) | 10.2 (9.4‒10.9) | 1.4a |
Polysmonography | |||
Apnea-hypopnea index (event/hour) | 39.8 (32.0‒47.6) | 15.1 (10.4‒19.9) | 1.6a |
Apnea-hypopnea index_supine (event/hour) | 44.9 (35.3‒55.4) | 17.2 (9.8‒24.6) | 1.2a |
Apnea-hypopnea index_non-supine (event/hour) | 15.9 (5.6‒26.2) | 3.8 (1.5‒6.1) | 0.6b |
Apnea index (event/hour) | 18.5 (10.5‒26.5) | 2.1 (0.8‒3.3) | 0.9a |
Minimal pulse oxygen saturation (%) | 80.5 (77.2‒83.9) | 87.0 (84.9‒89.1) | 0.9a |
Snoring index (event/hour) | 423.6 (206.4‒640.9) | 207.4 (119.1‒295.8) | 0.5b |
Sleep efficiency (%) | 84.2 (79.0‒89.4) | 89.1 (85.9‒92.3) | 0.4b |
