Table 2.
Hypoxemia and lowest pulse oxygen saturation during the gastroscopy, and interventions related to hypoxemia and adverse events
|
|
WNJT group (n = 144)
|
Nasal cannula group (n = 144)
|
P
value
|
| Total occurrence of hypoxemia | 3 (2.1) | 21 (14.6) | 0.000 |
| Hypoxemia | 2 (1.4) | 19 (13.2) | 0.000 |
| Severe hypoxemia | 1 (0.7) | 2 (1.4) | 1.000 |
| Lowest SpO2 | 98 (97, 99) | 96 (93, 98) | 0.000 |
| Airway opening maneuvers | 4 (2.8) | 36 (25) | 0.000 |
| Facemask ventilation | 0 (0) | 4 (2.8) | 0.131 |
| Body movement | 8 (5.6) | 9 (6.3) | 0.803 |
| Cough | 10 (6.9) | 11 (7.6) | 0.821 |
| Epistaxis (0/1/2/3) | 0/7/0/0 (4.9) | 0 (0) | 0.022 |
| Sore throat | 2 (1.4) | 3 (2.1) | 1.000 |
Data are presented as median (interquartile range) or number of patients (percent). SpO2: Pulse oxygen saturation; WNJT: Wei nasal jet tube.