Table 6. Attempts of Endotracheal Intubation according to the Height of the Operating Table.
| Height of the operating table | Attempts of endotracheal intubation | Group S (n = 97) | Group R (n = 96) |
|---|---|---|---|
| Umbilicus | First | 7 (7.2) | 10 (10.4) |
| Second | 12 (12.4) | 19 (19.8) | |
| Need for an alternative technique or additional operator | 27 (27.8) | 16 (16.7)* | |
| Successful endotracheal intubation | 19 (19.6) | 29 (31.2)* | |
| Failed endotracheal intubation | 27 (27.8) | 16 (16.7)* | |
| Xiphoid | First | 9 (9.3) | 12 (12.5) |
| Second | 14 (14.4) | 22 (22.9) | |
| Need for an alternative technique or additional operator | 28 (28.9) | 17 (17.7)* | |
| Successful endotracheal intubation | 23 (23.7) | 34 (35.4)* | |
| Failed endotracheal intubation | 28 (28.9) | 17 (17.7)* |
Values are expressed as number of patients (%). Group S: sniffing position, Group R: ramped position. *P < 0.05 vs group S. Successful endotracheal intubation is defined as success at the first or second attempt.