Table 3 Endoscopy performance, recovery time and sedation dose in two groups
|  | Mouthpiece group (n = 180) | Airway group (n = 180) | P-value |
|---|---|---|---|
Endoscopy performance | Â | Â | Â |
 Endoscopy entry time (second) | 5 (4,6) | 3 (2,4) | 0.000 |
 First successful entry rate (%) | 162 (88.9) | 173 (96.1) | 0.023 |
 Duration of endoscopy (second) | 380.23 ± 55.10 | 371.18 ± 59.51 | 0.135 |
Recovery time | Â | Â | Â |
 Awakening time (second) | 182.89 ± 80.48 | 163.11 ± 67.30 | 0.012 |
 Time from awakening to leave (second) | 1057.50 ± 193.67 | 1040.33 ± 176.76 | 0.380 |
Sedation dose | Â | Â | Â |
 Propofol indutcion dose (mg) | 98.28 ± 13.86 | 101.11 ± 12.46 | 0.042 |
 Propofol additional dose (mg) | 20 (10.40) | 10 (10.30) | 0.000 |
 Propofol total dose (mg) | 123.78 ± 22.10 | 118.61 ± 19.91 | 0.020 |